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Beef Stroganoff Casserole- a creamy casserole with all the flavor of beef stroganoff plus melted mozzarella cheese on top.
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5 from 3 votes

Beef Stroganoff Casserole

Beef Stroganoff Casserole is full of creamy egg noodles, chunks of sirloin steak, lots of mushrooms, and melted cheese on top.
Course Main Course
Prep Time 20 minutes
Cook Time 35 minutes
Total Time 55 minutes
Servings 6 to 8 servings
Author Christin Mahrlig

Ingredients

  • 2 tablespoons butter, divided
  • 1 tablespoon Vegetable oil
  • 1 1/2- pounds sirloin tip, cut into bite-sized pieces
  • 1 (8-ounce) package mushrooms, sliced
  • 3 garlic cloves, minced
  • 2 teaspoons fresh chopped thyme OR rosemary
  • 1 (10.5-ounce) can beef consomme
  • 1 (10.75-ounce) can condensed cream of mushroom soup
  • 2 tablespoons Worcestershire sauce
  • 2 teaspoons Dijon mustard
  • 2 ounces cream cheese, cut into chunks
  • 1 (12-ounce) package egg noodles, cooked
  • 1 1/2 cups sour cream
  • 2 green onions, sliced
  • salt and pepper
  • 1 cup shredded mozzarella cheese

Instructions

  • Heat 1 tablespoon butter and Vegetable oil in a large pan over medium-high heat. Season steak with salt and pepper and add to pan. Cook until seared on all sides. (Note: You do not need to cook the meat through. It will cook more in the oven.)
  • Place sirloin in a large bowl and set aside.
  • Add remaining butter to pan and cook mushrooms until browned. Add to bowl with sirloin
  • Add garlic and herbs to pan and cook in whatever juices are left in the pan for 30 seconds.
  • Add beef consomme, cream of mushroom soup, Worcestershire sauce, and Dijon mustard to pan and bring to a simmer.
  • Add cream cheese and stir until melted. Pour mixture into bowl with steak and mushrooms.
  • Add egg noodles, sour cream, and green onions and stir to combine everything.
  • Season to taste with salt and pepper.
  • Transfer to a greased casserole dish. Cover with aluminum foil and bake in a 350 degree oven for 25 minutes.
  • Remove foil, sprinkle mozzarella cheese on top and bake uncovered for 10 to 15 minutes.