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This Hamburger Casserole recipe combines all of your favorite cheeseburger flavors into a cheesy, creamy casserole. It’s a family-friendly dish that is surprisingly quick and easy to cook, making it perfect for a weeknight dinner.
Preheat oven to 375º Fahrenheit and grease a 9x13” baking dish.
In a large, deep skillet, brown and crumble the ground beef over medium-high heat. Drain any excess grease once browned.
Season the beef with salt and pepper. Add in the onion and garlic and continue cooking over medium-high heat for about 3 minutes or until the onions are translucent.
Add the beef broth, tomatoes and chilies, tomato paste, mustard, and Worcestershire sauce. Stir until combined. Add the elbow macaroni and simmer, covered, for about 10 minutes, stirring occasionally, until the macaroni is al dente.
Once the macaroni is ready, stir in the heavy cream and then remove the skillet from heat.
Spread half of the macaroni mixture into an even layer in the bottom of the prepared 9x13” baking dish.
Sprinkle half of the Cheddar and Monterey Jack cheeses over the macaroni mixture. Add the remaining macaroni mixture over the top of the cheese in an even layer and then sprinkle with the remaining cheese.
Bake for 375º Fahrenheit for 15 minutes or until the casserole is bubbling hot and the cheese is melted. If desired, garnish with green onions before serving.