INGREDIENTS
1 1/2 lb
Ground beef
1 lb
Mushrooms, dry, and cut into
1
Onion, large small
1
Or a beef bouillon cube
1/2 cup
Mayo
1
Salt and fresh-ground black pepper
1 1/2 tsp
Seasoning, steak
2 tbsp
Olive oil
2 cups
Mozzarella, grated
1/4 cup
Parmesan cheese
1 cup
Sour cream