Pierogi Stuffed Shells

Ingredients : 22 jumbo pasta shells 2 cups water 1 cup instant mashed potatoes (such as Idahoan® Baby Reds®) 1 cup French-fried onions 1 cup shredded Cheddar cheese 2 tablespoons bacon bits 1 jalapeno pepper diced ¼ cup butter 1 onion chopped Methods : Preheat oven to 350 degrees F...