Seashell Pasta Salad

Ingredients

• 1 (12 oz.) pkg. medium shell pasta
• 1 (28 oz.) can Hunt's choice cut tomatoes
• 1/2 red bell pepper, cubed
• 1/2 green bell pepper, cubed
• 1/3 c. sliced green onions
• 1/3 c. chopped onions
• 1 (2.25 oz.) can sliced black olives
• 1 c. Italian salad dressing
• 1/3 c. grated Parmesan
• 1/2 tsp. salt
• 1/4 tsp. pepper
• 2 stalks celery, chopped
• 8 oz. shredded Cheddar cheese
• 1 (2 1/2 oz.) jar sliced mushrooms