Paula's Italian Pasta Salad

INGREDIENTS

1/2 tsp

salt, plus more for seasoning

1 lb

bow tie pasta

1 cup

store-bought balsamic vinaigrette dressing

1/4 cup

mayonnaise

1 tbsp

sugar

2 cups

halved cherry tomatoes

1 4 ounce can

sliced mushrooms, drained

2/3 cup

pitted kalamata olives

1/2

diced green bell pepper

1/2 tsp

freshly ground black pepper

Grated Parmesan, for topping