Pierogy Pizza Dec 31, 1999 INGREDIENTS:2 Tbsps. plus 1 cup sour cream 1 12 inch pizza shell 12 frozen pierogies, thawed (use potato & cheddar or roasted garlic flavor) ¼ cup chopped onions 1 ½ cups mozzarella cheeseDIRECTIONS:1. Preheat oven to...