Vegetable Casserole - cooking recipe

Ingredients

1 (16 oz.) Ranch Fiesta mix (frozen)
1 c. onion, chopped
1 c. grated cheese
3/4 c. mayonnaise
salt and pepper to taste
1 can water chestnuts, sliced

Preparation

Cook and drain the Fiesta mix, then mix all together.
Put topping on top and cook for 25 minutes at 350\u00b0.