Beef and Onion Casserole Recipe

Introduction

Beef and Onion Casserole is a hearty, comforting dish that brings together tender chunks of beef, caramelized onions, and savory seasonings all in one pot. This dish is perfect for those cold nights when you’re craving something filling, rich, and satisfying. With its deep flavors and melt-in-your-mouth texture, Beef and Onion Casserole is the kind of meal that warms you up from the inside out. The slow-cooked beef becomes incredibly tender, while the onions impart a subtle sweetness that balances out the richness of the meat.

This casserole is also highly versatile and can be served in a variety of ways. Whether you’re serving it with mashed potatoes, rice, or fresh bread, it makes for a wholesome and delicious meal. It’s the kind of dish that’s easy to prepare, requires minimal ingredients, and yields comforting results every time. Whether you’re cooking for a family dinner, a cozy night in, or meal prepping for the week, Beef and Onion Casserole is the perfect solution.

Why You’ll Love Beef and Onion Casserole

  • Rich, Savory Flavor: The combination of beef and onions creates a deep, savory flavor profile that’s both comforting and satisfying. The long, slow cooking process allows all the ingredients to meld together beautifully.
  • Tender Meat: Slow-cooked beef in a casserole dish becomes incredibly tender and practically falls apart, making every bite melt in your mouth.
  • Simple Ingredients: This casserole recipe uses simple, pantry-friendly ingredients. Despite its straightforward approach, it delivers an exceptional flavor experience.
  • One-Pot Meal: The beauty of this recipe lies in its simplicity. Everything is cooked in one pot, making clean-up quick and easy. Plus, the flavors are all combined in the same vessel, so nothing is wasted.
  • Perfect for Any Occasion: Beef and Onion Casserole is versatile enough for family dinners, meal prepping, or even feeding a crowd. It’s a dish that’s sure to please everyone.

Preparation and Cooking Time

  • Total Time: 2 hours 30 minutes
  • Preparation Time: 20 minutes
  • Cooking Time: 2 hours 10 minutes
  • Servings: Approximately 6 servings
  • Calories per Serving: Around 450-500 calories per serving, depending on portion sizes and ingredients.

Nutrition Facts (Per Serving)

  • Calories: 450-500 kcal
  • Fat: 25g
  • Carbohydrates: 25g
  • Protein: 35g
  • Fiber: 3g
  • Sugar: 6g

Ingredients

For the Beef and Onion Casserole:

  • 1 ½ pounds (700g) beef chuck, cut into bite-sized cubes
  • 2 tablespoons olive oil or vegetable oil
  • 2 large onions, thinly sliced
  • 3 cloves garlic, minced
  • 1 cup beef broth (preferably low-sodium)
  • 1 tablespoon Worcestershire sauce
  • 1 teaspoon dried thyme
  • 1 teaspoon dried rosemary
  • 1 teaspoon paprika
  • Salt and pepper, to taste
  • 2 tablespoons tomato paste
  • 1 tablespoon flour (optional, for thickening)
  • 1 tablespoon fresh parsley, chopped (optional, for garnish)

The Topping (Optional):

  • 1 ½ cups mashed potatoes (for topping)
  • 1 tablespoon butter (for spreading on top)
  • Salt and pepper, to taste

Special Equipment

Creating the perfect Beef and Onion Casserole doesn’t require anything too fancy, but a few key pieces of kitchen equipment will make the process easier and more efficient:

  1. Dutch Oven or Large Ovenproof Pot: A heavy-duty Dutch oven is ideal for this casserole because it evenly distributes heat and allows for slow cooking, which tenderizes the beef and deepens the flavors.
  2. Sharp Knife: A sharp knife is essential for cutting the beef into uniform cubes and slicing the onions thinly. This ensures that everything cooks evenly.
  3. Wooden Spoon or Silicone Spatula: Stirring the casserole regularly is crucial, and a wooden spoon or silicone spatula will help you do this without scratching the cooking surface of your pot.
  4. Measuring Spoons and Cups: Accurate measurements of your spices and liquids will help balance the flavors perfectly in the casserole.
  5. Large Mixing Bowl (for the optional topping): If you’re adding mashed potatoes to the casserole, a large mixing bowl will be needed to combine the potatoes and butter for the topping.
  6. Pastry Brush (for topping): If you’re applying a butter glaze on top of the mashed potatoes, a pastry brush will ensure an even spread.

Step-by-Step Instructions

1. Brown the Beef

Start by cutting the beef chuck into bite-sized cubes. Season the beef with salt, pepper, and paprika. Heat 1 tablespoon of oil in a large Dutch oven or ovenproof pot over medium-high heat. Once the oil is hot, add the beef in batches, making sure not to overcrowd the pot. Sear the beef on all sides until it’s golden brown. This step will help develop deep, rich flavors in the casserole. Once browned, remove the beef from the pot and set it aside.

2. Sauté the Onions and Garlic

In the same pot, add the remaining oil. Add the sliced onions and cook over medium heat, stirring occasionally, for about 10 minutes or until the onions are softened and begin to caramelize. The natural sugars in the onions will start to break down, turning them a golden brown. Once the onions are caramelized, add the minced garlic and cook for another minute until fragrant.

3. Create the Flavor Base

Stir in the tomato paste and cook it for 2-3 minutes, allowing it to brown slightly. This caramelization will deepen the flavor of the casserole. Then, sprinkle the flour over the onions and garlic, stirring to combine. The flour helps to thicken the casserole’s sauce, giving it a nice, hearty consistency. Let the flour cook for a minute or two.

4. Add the Broth and Seasonings

Now, pour in the beef broth, Worcestershire sauce, thyme, rosemary, and any additional salt and pepper to taste. Stir everything together, scraping up any browned bits from the bottom of the pot. These bits contain concentrated flavors that will enrich the dish. Bring the mixture to a simmer and cook for 5 minutes to allow the flavors to meld together.

5. Return the Beef to the Pot

Once the broth has come to a simmer, return the browned beef to the pot. Stir to combine everything, then cover the pot with a lid. Reduce the heat to low and let the casserole cook gently for about 2 hours, or until the beef is fork-tender. You can check the consistency of the sauce at the 1.5-hour mark. If the sauce has reduced too much, add a little more broth to maintain a saucy consistency.

6. Prepare the Mashed Potatoes (Optional)

While the casserole is simmering, prepare the mashed potatoes for the topping if you plan to add them. Boil 4-5 medium-sized potatoes until they are soft and easily pierced with a fork. Drain the potatoes and return them to the pot. Mash them using a potato masher, then stir in the butter, salt, and pepper. The mashed potatoes should be creamy but firm enough to hold their shape when placed on top of the casserole.

7. Assemble the Casserole

Once the beef is tender and the flavors have melded together, taste the casserole and adjust the seasoning if necessary. If you are using the mashed potatoes, spoon them evenly over the beef mixture. Spread them out using a spatula to cover the entire surface. Dot the top of the potatoes with a little butter for a golden finish.

8. Bake the Casserole

Preheat your oven to 375°F (190°C). Transfer the Dutch oven or casserole dish to the oven and bake for 20-25 minutes, or until the mashed potatoes are golden brown on top. If you prefer a crispy finish, you can broil the casserole for an additional 2-3 minutes to get a nice, browned crust on the potatoes.

9. Serve and Garnish

Once the casserole is done, remove it from the oven and let it rest for 5-10 minutes before serving. Garnish with fresh chopped parsley for a burst of color and flavor. Serve the Beef and Onion Casserole with your favorite sides, such as a simple green salad or steamed vegetables.

Tips for Perfect Beef and Onion Casserole

  • Choose the Right Cut of Beef: Beef chuck is ideal for this recipe because it’s flavorful and becomes incredibly tender after slow cooking. Avoid lean cuts, as they can become tough and dry when slow-cooked.
  • Caramelize the Onions Well: Take your time to caramelize the onions properly. The longer they cook, the sweeter and richer the flavor becomes, which is key to achieving that delicious depth in the casserole.
  • Don’t Skip the Browning Step: Browning the beef before adding it to the casserole is crucial for developing the dish’s flavor. It creates a deep, rich base that adds complexity to the final result.
  • Adjust the Thickness: If you find the casserole too thick after simmering, you can add a bit more broth or even a splash of red wine for added richness.
  • Add Vegetables: You can easily add carrots, peas, or other vegetables to the casserole for added flavor and nutrition. Just make sure they’re cut into small pieces to cook evenly.

Variations of Beef and Onion Casserole

  • Cheese-Topped Casserole: For an extra layer of flavor, sprinkle grated cheese (cheddar, Gruyère, or Parmesan) over the mashed potatoes before baking. The cheese will melt into a delicious golden crust on top of the casserole.
  • Add Wine: Add a splash of red wine along with the broth to create a deeper, more complex flavor. This is especially nice if you enjoy wine-based dishes.
  • Add Mushrooms: Sautéed mushrooms pair wonderfully with the beef and onions in this casserole. They add a savory, earthy flavor that complements the richness of the beef.
  • Spicy Version: If you like a bit of heat, add a pinch of red pepper flakes or a chopped chili to the casserole for a spicy kick.

Storage and Shelf Life

Beef and Onion Casserole can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, place it in the oven at 350°F (175°C) for 15-20 minutes, or until heated through. If you’ve topped the casserole with mashed potatoes, they may need a few extra minutes in the oven to warm up fully.

For longer storage, you can freeze the casserole. Wrap it tightly in plastic wrap and foil and freeze for up to 3 months. To reheat from frozen, place the casserole in the oven at 350°F (175°C) for 45-60 minutes, or until fully heated.

Side Dishes and Pairings for Beef and Onion Casserole

  • Mashed Potatoes: If you haven’t already added mashed potatoes as a topping, consider serving them on the side for an extra indulgent meal.
  • Steamed Vegetables: Pair your casserole with some steamed broccoli, carrots, or green beans for a healthy and colorful contrast to the rich casserole.
  • Bread: Serve with a crusty loaf of bread for dipping into the delicious sauce, or prepare some garlic bread for an extra flavor boost.
  • Green Salad: A simple green salad with a tangy vinaigrette will provide a refreshing balance to the richness of the casserole.
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Beef and Onion Casserole Recipe


  • Author: Ashley
  • Total Time: 2 hours 30 minutes

Description

This satisfying casserole features melt-in-your-mouth beef and savory onions simmered in a rich, flavorful sauce, then baked to perfection. Topped with a layer of crispy potatoes or breadcrumbs, it’s a family-friendly meal that’s both hearty and comforting.


Ingredients

Scale

For the Beef and Onion Casserole:

  • 1 ½ pounds (700g) beef chuck, cut into bite-sized cubes
  • 2 tablespoons olive oil or vegetable oil
  • 2 large onions, thinly sliced
  • 3 cloves garlic, minced
  • 1 cup beef broth (preferably low-sodium)
  • 1 tablespoon Worcestershire sauce
  • 1 teaspoon dried thyme
  • 1 teaspoon dried rosemary
  • 1 teaspoon paprika
  • Salt and pepper, to taste
  • 2 tablespoons tomato paste
  • 1 tablespoon flour (optional, for thickening)
  • 1 tablespoon fresh parsley, chopped (optional, for garnish)

The Topping (Optional):

  • 1 ½ cups mashed potatoes (for topping)
  • 1 tablespoon butter (for spreading on top)
  • Salt and pepper, to taste

Instructions

1. Brown the Beef

Start by cutting the beef chuck into bite-sized cubes. Season the beef with salt, pepper, and paprika. Heat 1 tablespoon of oil in a large Dutch oven or ovenproof pot over medium-high heat. Once the oil is hot, add the beef in batches, making sure not to overcrowd the pot. Sear the beef on all sides until it’s golden brown. This step will help develop deep, rich flavors in the casserole. Once browned, remove the beef from the pot and set it aside.

2. Sauté the Onions and Garlic

In the same pot, add the remaining oil. Add the sliced onions and cook over medium heat, stirring occasionally, for about 10 minutes or until the onions are softened and begin to caramelize. The natural sugars in the onions will start to break down, turning them a golden brown. Once the onions are caramelized, add the minced garlic and cook for another minute until fragrant.

3. Create the Flavor Base

Stir in the tomato paste and cook it for 2-3 minutes, allowing it to brown slightly. This caramelization will deepen the flavor of the casserole. Then, sprinkle the flour over the onions and garlic, stirring to combine. The flour helps to thicken the casserole’s sauce, giving it a nice, hearty consistency. Let the flour cook for a minute or two.

4. Add the Broth and Seasonings

Now, pour in the beef broth, Worcestershire sauce, thyme, rosemary, and any additional salt and pepper to taste. Stir everything together, scraping up any browned bits from the bottom of the pot. These bits contain concentrated flavors that will enrich the dish. Bring the mixture to a simmer and cook for 5 minutes to allow the flavors to meld together.

5. Return the Beef to the Pot

Once the broth has come to a simmer, return the browned beef to the pot. Stir to combine everything, then cover the pot with a lid. Reduce the heat to low and let the casserole cook gently for about 2 hours, or until the beef is fork-tender. You can check the consistency of the sauce at the 1.5-hour mark. If the sauce has reduced too much, add a little more broth to maintain a saucy consistency.

6. Prepare the Mashed Potatoes (Optional)

While the casserole is simmering, prepare the mashed potatoes for the topping if you plan to add them. Boil 4-5 medium-sized potatoes until they are soft and easily pierced with a fork. Drain the potatoes and return them to the pot. Mash them using a potato masher, then stir in the butter, salt, and pepper. The mashed potatoes should be creamy but firm enough to hold their shape when placed on top of the casserole.

7. Assemble the Casserole

Once the beef is tender and the flavors have melded together, taste the casserole and adjust the seasoning if necessary. If you are using the mashed potatoes, spoon them evenly over the beef mixture. Spread them out using a spatula to cover the entire surface. Dot the top of the potatoes with a little butter for a golden finish.

8. Bake the Casserole

Preheat your oven to 375°F (190°C). Transfer the Dutch oven or casserole dish to the oven and bake for 20-25 minutes, or until the mashed potatoes are golden brown on top. If you prefer a crispy finish, you can broil the casserole for an additional 2-3 minutes to get a nice, browned crust on the potatoes.

9. Serve and Garnish

Once the casserole is done, remove it from the oven and let it rest for 5-10 minutes before serving. Garnish with fresh chopped parsley for a burst of color and flavor. Serve the Beef and Onion Casserole with your favorite sides, such as a simple green salad or steamed vegetables.

  • Prep Time: 20 minutes
  • Cook Time: 2 hours 10 minutes

Nutrition

  • Calories: 450-500 kcal
  • Fat: 25g
  • Carbohydrates: 25g
  • Protein: 35g

Conclusion

Beef and Onion Casserole is a simple yet deeply flavorful dish that’s perfect for comforting family meals. With tender beef, sweet caramelized onions, and a savory gravy, it’s a dish that’s sure to satisfy everyone at the table. Whether you choose to top it with mashed potatoes or serve it alongside your favorite sides, this casserole is a classic that will never disappoint. Take your time to cook it slowly, and you’ll be rewarded with a dish that’s rich, savory, and utterly delicious. Enjoy this satisfying meal with your loved ones!

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