Pasta Salad - cooking recipe

Ingredients

1 (7 oz.) bag rotini pasta, cooked, drained and cooled
1/2 c. green olives, sliced
1/4 c. black olives, sliced
1 (4 1/2 oz.) jar mushrooms, drained
1 c. Mozzarella cheese, cubed
1/2 c. Cheddar cheese, cubed
1 c. pepperoni slices
1/2 c. chopped onion

Preparation

Toss all ingredients together.
Add dressing and refrigerate overnight.