Cauliflower, Potato & Cheddar Pierogi

INGREDIENTS

2 cups

white whole wheat flour

1/2 tsp

kosher salt

3 tbsp

fat free Greek yogurt

1/2 cup

skim milk

medium starchy potato, peeled and cut into 2 inch cubes (about 1 cup)

1 cup

frozen cauliflower florets

2 oz

Cabot sharp light cheddar, shredded

1 tbsp

butter