In a large skillet, cook the ground beef and onion over medium-high heat until browned and cooked through. Drain any excess grease. 1 pound ground beef, 1 onion
Add the diced carrots, corn, frozen peas, garlic powder, Worcestershire sauce, salt, and black pepper to the skillet; Stir. 1 cup frozen mixed vegetables, 1 teaspoon garlic powder, 1 tablespoon Worcestershire sauce, 1/2 teaspoon salt, 1/4 teaspoon black pepper
Pour in the beef broth and tomato paste and stir everything together until well combined. 1 cup beef broth, 2 tablespoons tomato paste
Reduce the heat to low and let the mixture simmer for 10-15 minutes, stirring occasionally, until the sauce has thickened slightly.
Spread the beef mixture into the bottom of a 9-inch deep pie dish or square baking pan.
Spoon the mashed potatoes on top of the beef mixture and spread them evenly. 3 cups prepared mashed potatoes
Sprinkle the shredded cheddar cheese over the top of the mashed potatoes. 1/2 cup shredded cheddar cheese
Bake in the preheated oven for 25-30 minutes, or until the cheese is melted and bubbly.
Let cool for a few minutes before serving.
Store leftovers in an airtight container in the fridge.
Refer to the article above for more tips and tricks.The calories shown are based on the casserole making 6 servings, with 1 serving being 1/6 of the casserole. Since different brands of ingredients have different nutritional information, the calories shown are just an estimate. **We are not dietitians and recommend you seek a nutritionist for exact nutritional information. The information in the nutrition box are calculated through a program and there is room for error. If you need an accurate count, I recommend running the ingredients through your favorite nutrition calculator.**