Layered Ground Beef Casserole
["1 large onion, sliced and divided", "1 c. sliced celery, divided", "1 large green pepper, seeded, sliced and divided", "salt and pepper", "1 to 1 1/2 lb. ground beef", "1 c. (8 oz.) tomato sauce", "2 large potatoes, peeled and sliced thin", "1 c. (10 3/4 oz.) cream of celery soup"]
["In 2-quart casserole, layer half the onion, celery and green pepper; season with salt and pepper.", "Top with beef; season with three-fourths teaspoon salt and 1/2 teaspoon pepper.", "Pour on tomato sauce.", "Top with remaining onion, celery and pepper. Arrange potatoes over top; spread with soup.", "Bake uncovered in preheated 350\u00b0 oven for 1 to 1 1/2 to 2 hours or until potatoes are tender and top is lightly browned.", "Do not stir.", "Makes 6 servings."]
["onion", "celery", "green pepper", "salt", "ground beef", "tomato sauce", "potatoes", "cream of celery soup"]