Ingredients 1/2 teaspoon salt, plus much more for seasoning 1 pound bow tie pasta 1 cup store-bought balsamic vinaigrette dressing 1/4 cup mayonnaise 1 tablespoon sugar 2 cups halved cherry tomato plants 1 (4-ounce) can sliced mushrooms, drained 2/3 cup pitted kalamata olives 1/2 diced