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Ground Beef Hamburger Casserole

A comforting and hearty casserole made with ground beef, pasta or rice, and a blend of rich flavors, perfect for a cozy family dinner.
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Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Servings: 6 servings
Course: Dinner, Main Course
Cuisine: American
Calories: 450
Ingredients Method Notes

Ingredients
  

Casserole Base
  • 1 pound ground beef (85/15 or 80/20) for flavor and slight juiciness
  • 1 medium onion, diced sweat it for sweetness
  • 2 cloves garlic, minced fresh for depth
  • 1 can (14.5 oz) diced tomatoes, drained or use fire-roasted for smokiness
  • 1 cup frozen corn adds pop and color; swap for peas if you prefer
  • 2 cups cooked pasta or cooked rice for a gluten-free option use rice
  • 1 cup sour cream swap Greek yogurt for a tangy, healthier option
  • 1.5 cups shredded cheddar cheese 1 cup plus 1/2 cup for topping
  • 1 tablespoon Worcestershire sauce or soy sauce for a different umami
  • 1 teaspoon dried oregano and 1/2 teaspoon smoked paprika (optional for warmth)
  • Salt and pepper to taste
  • Fresh parsley for garnish to brighten the dish

Method
 

Preparation
  1. Preheat your oven to 375°F (190°C). Grease a 9×13-inch baking dish and set aside.
  2. In a large skillet over medium-high heat, add the ground beef and diced onion. Season with salt and pepper. Cook until the beef is no longer pink and the onions are translucent, about 6–8 minutes. Drain excess fat if needed.
  3. Stir in the minced garlic, Worcestershire sauce, dried oregano, and smoked paprika. Cook for 30–60 seconds until fragrant.
  4. Add drained diced tomatoes and frozen corn to the skillet. Let everything simmer for 2–3 minutes so the flavors marry.
  5. In a large bowl, combine cooked pasta or rice, the beef mixture, sour cream (or Greek yogurt), and 1 cup of shredded cheddar. Taste and adjust seasoning.
  6. Pour the mixture into the prepared baking dish. Smooth the top and sprinkle the remaining 1/2 cup cheese.
  7. Bake for 20–25 minutes until bubbly. For a golden top, broil for 2–3 minutes, watching closely so it doesn’t burn.
  8. Let the casserole rest for 5–10 minutes before serving so it sets and slices cleanly. Garnish with fresh parsley.

Notes

Store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place a portion in a microwave-safe dish and microwave until warm, or reheat in a 350°F (175°C) oven covered with foil for 15–20 minutes.