French Bread Casserole

French Bread Casserole is an moderately easy dinner. Made with 1/4 to 1/2 c. butter, 2 large onions, sliced thin, 1/2 (1 lb. size) loaf french bread, 6 large tomatoes, sliced thin and 2 tbsp. chopped basil, this recipe delivers authentic, satisfying flavors. An easy weeknight meal that comes together quickly.