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Cheesy Ground Beef and Rice Casserole

This easy and cheesy ground beef and rice casserole is a family favorite. It's packed with flavor, and the leftovers reheat well for lunch the next day.
Prep Time 10 minutes
Cook Time 50 minutes
Course Dinner, Main Course
Cuisine American
Servings 6
Calories 480 kcal

Ingredients
  

  • 1 lb. ground beef 85% lean
  • 1.5 teaspoons Italian seasoning
  • Salt/Pepper
  • 3 Tablespoons butter divided
  • ¾ cup onions diced
  • 1 Tablespoon garlic minced
  • 2 ½ cups beef broth
  • 1 ¼ cups uncooked white long grain rice
  • 8 oz. sliced button mushrooms washed
  • 10.5 oz. cream of mushroom soup
  • ½ cup milk
  • ½ cup sour cream
  • 2 cups cheddar cheese divided

Instructions
 

  • Preheat oven to 350°F
  • Brown ground beef in large saucepan over medium heat. While the beef is cooking, mix in salt, pepper and Italian seasonings.
  • Drain the grease and transfer to a plate. Cover with foil.
  • In a separate pot, melt 2 TBS butter. Stir in the chopped onions. Cook for 5 minutes or until softened.
  • Stir in the garlic, and continue to cook for one more minute.
  • Add beef broth and butter to the rice Mix well.
  • Bring to boil, then reduce to a simmer.
  • Wrap tightly and cook for 10 minutes.
  • Add the mushrooms and cover. Cook for another 5-10 minutes. For exact cooking times, refer to the rice package. Do NOT stir the rice.
  • Turn off the heat, cover the pot and leave it to stand for 10 minutes. Rice that is stuck to the bottom of the pot should be removed.
  • Mix the cream of mushroom soup, ground beef, milk, sourcream, and half of the cheese. Mix well.
  • Add to an ungreased 9x13 casserole dish. Sprinkle with the remaining cheese.
  • Cover and bake for 20 minutes . Serve!