Vegan Pierogies w/ Smoked Mashed Potatoes & Daiya Cheddar Cheese!!

I made these delicious pierogies with the left over smoked mashed potatoes we had last night.  I melted about a cup of Daiyas awesome cheddar cheese with the mashed potatoes.  They were stuffed with the rosemary mustard gravy as well.  I also fried up some cabbage, garlic and sweet onions on the side with a little sour cream on top.  The recipe for the pierogies and cabbage was from Hell Yeah It's Vegan.

Pierogies with Cabbage and Onions

Yield: about 30 pierogies

Dough
2 c flour
½ tsp salt
¼ c soy margarine
3 tbsp water (more as needed)

Filling
2 c potato flakes
3 tbsp butter
2 c boiled water
3 tbsp vegan cheese, grated (I used cheddar)
1 tbsp nutritional yeast
1 tbsp vegan cream cheese, optional
salt
pepper

Topping
½ head cabbage, chopped
1 medium onion, chopped
1 tbsp soy margarine
salt
pepper