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Keto Beef and Mushroom Casserole Recipe

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4.7 from 9 reviews

A hearty and creamy Keto Beef and Mushroom Casserole featuring ground beef, flavorful mushrooms, and melted cheddar cheese, perfect for a low-carb, comforting meal.

  • Total Time: 50 minutes
  • Yield: 6 servings

Ingredients

Main Ingredients

  • 1 pound ground beef
  • 2 cups sliced mushrooms
  • 1 small onion, diced
  • 2 cloves garlic, minced
  • 1 teaspoon thyme
  • Salt to taste
  • Black pepper to taste

Liquids & Dairy

  • 1 cup heavy cream
  • 1/2 cup beef broth
  • 1 cup shredded cheddar cheese

Cooking

  • Olive oil for cooking

Instructions

  1. Preheat the oven: Preheat your oven to 375°F (190°C) to get it ready for baking the casserole.
  2. Sauté aromatics: In a large skillet, heat olive oil over medium heat. Add diced onion and minced garlic, cooking until softened and fragrant, about 3-4 minutes.
  3. Cook beef: Add the ground beef to the skillet and cook until browned, breaking it apart with a spatula. Drain excess fat carefully to reduce greasiness.
  4. Add mushrooms and liquids: Stir in the sliced mushrooms, beef broth, heavy cream, thyme, salt, and pepper. Cook the mixture for 5-7 minutes until the mushrooms are tender and the sauce slightly thickens.
  5. Assemble casserole: Transfer the beef and mushroom mixture into a greased 9×9-inch baking dish. Evenly sprinkle the shredded cheddar cheese over the top.
  6. Bake: Place the baking dish in the preheated oven and bake for 25 minutes until the cheese is melted, bubbly, and slightly golden.
  7. Serve: Remove the casserole from the oven and let it cool slightly before serving for the best flavor and texture.

Notes

  • You can substitute heavy cream with coconut cream for a dairy-free alternative.
  • For extra flavor, add a splash of Worcestershire sauce or a pinch of smoked paprika.
  • Make sure to drain the fat from the beef to keep the casserole from being too greasy.
  • This casserole pairs well with a side salad or steamed low-carb vegetables.
  • Leftovers can be stored covered in the refrigerator for up to 3 days and reheated thoroughly before serving.
  • Author: Millie
  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Main Course
  • Method: Baking
  • Cuisine: American
  • Diet: Low Carb