1 (10 oz.) pkg. broccoli
1 (10 oz.) pkg. baby lima beans
1 can mushroom soup
1 pkg. dry onion soup mix
1 (8 oz.) carton sour cream
1 can sliced water chestnuts

Cook vegetables according to directions on package. Drain. Mix with remaining ingredients. Top with 2 to 3 cups crushed crackers and 1 stick melted butter. Bake at 350 degrees for 30 minutes.