Pierogi with Toasted Walnuts

Dough

See my notes

• 2 cups flour
• ½ tsp. salt

Prepare ingredients as specified in ingredients lists, then prepare the dough as follows: In a medium bowl mix the flour and salt. Add egg and mix. Gradually add the sour cream and ¼ cup butter. Once mixed, gently fold and knead the dough until it is moist but not sticky. Place dough in plastic wrap an