Cheesy French Onion Hamburger Casserole

A rich, cozy, and budget-friendly casserole layered with seasoned beef, tender potatoes, creamy sauce, and topped with gooey melted cheese and crispy onions. Perfect for family dinners!

 Ingredients

 The Beef Layer:

• 1 lb (450g) ground beef (80/20)
• ½ yellow onion, diced
• 2 cloves garlic, minced
• 1 teaspoon salt
• ½ teaspoon black pepper
• 1 teaspoon paprika (optional)

 The Potato Layer:

• 4–5 medium potatoes, peeled and thinly sliced
• 1 packet French onion soup mix
• 2 tablespoons olive oil or melted butter

 The Creamy Sauce:

• 1 can (10.5 oz / ~300g) cream of mushroom soup
• ½ cup milk
• ½ cup sour cream (optional but recommended)
• ½ teaspoon garlic powder

 The Topping:

• 2 cups shredded Colby Jack cheese (or cheddar)
• 1–1½ cups crispy fried onions

 Instructions

 Preheat the oven

• Set your oven to 375°F (190°C).
• Lightly grease a baking dish (9×13 inch).

 Cook the beef

• In a skillet over medium heat:
  • Cook the ground beef with diced onion until browned.
  • Add garlic, salt, pepper, and paprika.
  • Stir well and cook for 1–2 minutes more.
• Drain excess fat if needed.

 Prepare the potatoes

• In a large bowl:
  • Toss the sliced potatoes with French onion soup mix and olive oil.
• Make sure all slices are well coated.

 Make the creamy sauce

• In another bowl:
  • Mix cream of mushroom soup, milk, sour cream, and garlic powder until smooth.

Assemble the casserole

• In your baking dish:
  1. Add a layer of potatoes
  2. Spread half of the beef mixture
  3. Pour some of the creamy sauce
  4. Repeat layers (potatoes → beef → sauce)
• Finish with remaining sauce on top.

 Bake (covered)

• Cover with foil and bake for 45–50 minutes, until potatoes are tender.

 Add cheese & onions

• Remove foil:
  • Sprinkle shredded cheese evenly
  • Top with crispy fried onions

 Final bake (uncovered)

• Bake for another 10–15 minutes, until:
  • Cheese is melted and bubbly
  • Top is golden and crispy

Serving Tips

• Let it rest for 5–10 minutes before serving.
• Serve with:
  • Fresh salad
  • Steamed vegetables

 Tips & Variations

• Add mushrooms or bell peppers for extra flavor
• Swap beef with ground chicken or turkey
• Add a little mozzarella for extra cheesy stretch
• Spice it up with chili flakes or hot sauce