1 small box pasta twist, cooked and cooled
6 to 8 fresh mushrooms, sliced
1 small yellow squash, sliced
1 tomato, cut into small pieces
1 small Bermuda onion, chopped into small pieces
1 cup Italian salad dressing
½ jar salad seasonings
Combine all ingredients except tomato. Refrigerate overnight. Add tomato and stir before serving.