Ambrosia Salad

Ingredients

• 1 can (20 oz.) chunk pineapple, drained

• 1 can mandarin oranges, drained

• 1/2 cup grapes

• 1 cup marshmallows

• 1 cup flaked coconut

• 1/2 cup chopped walnuts

• 3/4 cup sour cream

• 1 tablespoon sugar