Beef Casserole - cooking recipe

Ingredients

1 lb. lean ground beef
1 medium onion, chopped
1/4 lb. fresh mushrooms, sliced
1 clove garlic, minced
1 tsp. oregano leaves
1 Tbsp. oil
2 Tbsp. flour
1 c. beef broth
1 c. sour cream
1 pkg. frozen, chopped spinach
4 slices Mozzarella or Monterey Jack cheese

Preparation

Brown beef, onion, mushrooms, garlic and oregano in oil; stir in flour.
Add beef broth; cook until thick.
Stir in sour cream and spinach.
Place in a 1 1/2-quart casserole; bake in 350\u00b0 oven for 30 minutes.
Cut cheese into strips, crisscross over hot casserole and bake until cheese melts.
Can be frozen before adding cheese, then bake 1 to 1 1/2 hours.
Add cheese.
Bake until cheese melts.