This Hamburger Mushroom Bake is a timeless one-dish wonder—ground beef and earthy mushrooms simmered in a rich tomato-onion sauce, topped with melted cheese, and baked until golden. With just 6 simple ingredients, it’s ready in under an hour and perfect for busy weeknights, potlucks, or feeding a family with minimal fuss.
No fancy tools. No last-minute babysitting. Just deep, umami-rich comfort from your oven.
Why You’ll Love This Recipe
- 🍄 Only 6 ingredients—pantry staples!
- ⏱️ 15 minutes prep, 30–35 minutes bake
- 💛 One baking dish = easy cleanup
- 💸 Costs under $8—feeds 6 generously
- 🌾 Naturally nut-free & easily gluten-free (use GF soup)
Ingredients You’ll Need
(9x13-inch baking dish; serves 6)
- 1½ lbs (680g) ground beef
- 2 cups sliced fresh mushrooms (cremini or white button)
- 1 (10.75 oz) can condensed cream of mushroom soup
- 1 (8 oz) can tomato sauce
- 1 cup shredded cheddar or mozzarella cheese
- ½ cup chopped onion (optional but recommended)
- Salt & black pepper to taste
- Optional: 1 tsp garlic powder, ½ tsp dried thyme, or ¼ cup breadcrumbs for topping
💡 Pro Tips:
- Sauté mushrooms first—they release water; cooking them dry (no oil) helps them brown and concentrate flavor.
- Drain beef well—excess fat makes casserole greasy.
- Use full-fat soup—low-fat versions may separate.
Step-by-Step Instructions (Savory, Cheesy, Foolproof)
1. Brown the Beef & Mushrooms
- In a skillet over medium heat, cook ground beef until browned; drain fat.
- Add mushrooms and onion; cook 5–7 minutes until mushrooms are tender and liquid evaporates.
- Stir in cream of mushroom soup and tomato sauce; simmer 3 minutes. Season with salt, pepper, and optional herbs.
2. Layer the Bake
- Preheat oven to 350°F (175°C). Lightly grease a 9x13-inch baking dish.
- Spread beef-mushroom mixture evenly in the dish.
- Top with shredded cheese.
3. Bake to Perfection

