Hamburger Supreme Casserole: The Ultimate One-Pan Comfort Food Tips, FAQ & printable recipe

Tips for success

To achieve the best cheese pull, try to serve the casserole while it is still warm from the oven. If you find the cheese is browning too quickly before the center is hot, you can loosely tent the dish with aluminum foil for the first fifteen minutes of baking, then remove it to allow the cheese to bubble and brown properly.

For a more complex flavor profile, you can add a pinch of smoked paprika or garlic powder to the beef while it browns. These subtle additions complement the sweetness of the red peppers and the richness of the tomato sauce.

Remember to always garnish with fresh parsley right before serving, as the heat from the casserole will wilt it beautifully and add a necessary touch of freshness.

Variations

• Spicy Beef Casserole: Add a tablespoon of diced jalapeños or a teaspoon of red pepper flakes to the skillet while browning the beef to introduce a pleasant, lingering heat that cuts through the creamy sauce.
• Hidden Veggie Version: Incorporate finely diced zucchini or mushrooms along with the red peppers. These vegetables add extra texture and absorb the savory tomato sauce beautifully without altering the classic flavor profile.

Storage and make-ahead

Fridge

Keep in the refrigerator for up to 3 days in a sealed container.

Freezer

Freeze in a freezer-safe container for up to 2 months. Thaw in the refrigerator overnight before reheating.

Reheat

Reheat individual portions in the microwave or place the entire dish in a 350°F oven until heated through.

Store any leftovers in an airtight container to maintain moisture and flavor. If you prefer, cover the baking dish tightly with plastic wrap or foil. It is important to refrigerate the leftovers within two hours of cooking to ensure food safety.

When properly stored, the casserole remains delicious for up to three days, making it an excellent candidate for quick lunches or easy dinners throughout the busy week.

You can prepare the beef and sauce mixture up to twenty-four hours in advance. Simply cool the mixture completely, cover, and store it in the refrigerator.

When you are ready to bake, spread the mixture into your baking dish, top with the shredded cheese, and add five to ten minutes to the total baking time to account for the cold starting temperature of the base.

Serving ideas

Serve this casserole directly from the baking dish for a rustic presentation. It pairs beautifully with a simple side salad of crisp greens or some steamed green beans to balance the richness of the beef and cheese. A slice of warm, crusty bread is also an excellent addition for soaking up any remaining creamy tomato sauce left on the plate.

When scooping portions, use a wide spoon to ensure you get a good amount of the cheesy top along with the savory beef base.

If you are serving a crowd, place the baking dish on a heat-resistant mat in the center of the table and let guests help themselves. This casual style of service emphasizes the comforting nature of the meal and keeps the mood relaxed and enjoyable.

Frequently asked questions

Recipe card

Hamburger Supreme Casserole: The Ultimate One-Pan Comfort Food

Prep 15 minCook 30 minRest 5 minTotal 50 minServes 6

Ingredients

• 2 lb ground beef
• 2 cups diced red bell peppers
• 2 cups tomato sauce
• 1/2 cup sour cream
• 2 cups shredded cheddar cheese
• fresh parsley, for serving

Instructions

1. Heat a large skillet over medium-high heat. Add the ground beef and cook, breaking it apart with a wooden spoon, until browned and no longer pink. Add the diced red bell peppers and sauté until they are slightly softened. Drain any excess grease from the pan to ensure the casserole does not become overly oily.
2. Reduce the heat to low. Stir in the tomato sauce and the sour cream. Mix thoroughly until the sauce is uniform in color and texture. Simmer for a few minutes to allow the flavors to meld together. Once the sauce is smooth and hot, remove from the heat and transfer the mixture into a 9x13 inch glass baking dish.
3. Spread the beef mixture evenly in the baking dish. Top generously with the shredded cheddar cheese. Place the dish in a preheated oven at 375°F (190°C) and bake until the cheese is bubbling and golden brown. Remove from the oven, let it rest for five minutes, and garnish with freshly chopped parsley before serving.

Contains: milk

Estimated nutrition per serving

Calories

480

Protein

32 g

Carbohydrates

12 g

Fat

34 g

Fiber

2 g

Sugar

6 g

Sodium

650 mg

Automatic estimate from the ingredient list, not laboratory-verified.