Shortcut Pierogies Recipe: Easy Polish Dumplings Anytime

Name: Shortcut Pierogies Recipe: Easy Polish Dumplings Anytime
Cuisine: European, Eastern European
Ingredients: For the Shortcut Dough; Wonton Wrappers (available in most supermarkets, usually in the produce or freezer section) or Refrigerated Crescent Dough Sheets (found in the bakery aisle).; 2 cups of mashed potatoes (can be made fresh or from leftovers); 1 cup of shredded cheddar cheese; ½ teaspoon of garlic powder; ¼ teaspoon of salt; ¼ teaspoon of pepper; 2 medium onions, thinly sliced; 4 tablespoons of butter; Sour cream (for serving); Optional toppings chopped parsley, bacon bits, or caramelized onion; Option 1 Pan-Frying; Option 2 Boiling