Spinach-Beef-Rice Casserole - cooking recipe

Ingredients

2 (10 to 12 oz.) pkg. frozen chopped spinach, thawed and drained well (really well)
1 tsp. salt
1/2 lb. ground beef
1 large onion, chopped
1 1/2 c. cooked brown rice
6 to 8 oz. drained, sliced mushrooms
1/2 c. sour cream and 1/2 c. plain yogurt or 1 c. of either
1/2 tsp. nutmeg
1 c. shredded Cheddar
1 c. Parmesan cheese

Preparation

Brown ground beef and drain.
Add onion and mushrooms and saute 5 minutes.
Add 1/2 cup of each cheese and rest of ingredients.
Place in 9 x 13-inch baking dish.
Bake uncovered at 350\u00b0 to heat through, 20 to 30 minutes.
Top with remaining cheese.
Melt.
Do not overbake.