If people have a gluten allergy or looking for a low-carb option, Fathead dough is a great and tasty option to use. This specific recipe details making pierogies using Fathead dough. Pierogies are basically dumplings filled with one of many things and then boiled. This specific recipe explains how to make these delicious treats using a cheesy cauliflower puree. However, people can use many different types of fillings, including meats, fruit, or potatoes. They are great for a keto diet.