1 (8 oz.) can tomato sauce
1 (8 oz.) bottle Zesty Italian salad dressing
1 lb. spiral pasta, cooked and drained
1 (7 1/2 oz.) can whole tomatoes, drained and crushed
1 (4 oz.) jar sliced mushrooms, drained
1 sm. red onion, thinly sliced and separated
1 (2 1/4 oz.) can sliced ripe olives, drained

In medium bowl, whisk together first 2 ingredients; set aside. In large bowl, combine remaining ingredients. Pour tomato dressing over pasta and toss gently to coat. Refrigerate 1 hour or until ready to serve. Note: If refrigerating overnight, do not toss with dressing until 1 hour before serving.