Tomato Casserole recipe from Mountain View Country Market in Chuckey,TNTomato Casserole

1 medium onion, chopped
2 T. butter
4 medium tomatoes, sliced
1 c. shredded sharp cheese
1 c. fine soft bread crumbs
1 c. sour cream
2 eggs, beaten
1/2 t. salt

Cook onion in butter until tender. Place half of tomatoes in a 10"x6" baking dish. Top with half of the onions, cheese and crumbs. Mix remaining ingredients and pour over top. Cover and bake at 305° for 30 minutes. Uncover and bake 10 more minutes. Makes 6 servings. f