Cheese Tetrazzini - cooking recipe

Ingredients

1 Tbsp. butter
1/2 c. chopped onion
1 1/2 lb. lean hamburger
1 tsp. salt
1/4 tsp. pepper
15 oz. can tomato sauce
8 oz. pkg. cream cheese
1 c. cottage cheese
1/4 c. sour cream
1/4 c. chopped green pepper
1/4 c. chopped green onion
8 oz. cooked spaghetti
1/4 c. Parmesan cheese
green pepper, sliced in rings
cherry tomatoes

Preparation

Heat oven to 325\u00b0.
Melt butter in large skillet.
Add onion and saute until tender.
Add hamburger and cook until brown and crumbly.
Drain. Add salt, pepper and tomato sauce.
Simmer 5 minutes.
Remove from heat.