Sweet Potato Cheddar Pierogi with Bacon Bits

Ingredients

- 6 servings +

• 2 cups all-purpose flour, plus more for rolling
• ½ tsp kosher salt, divided
• 1 egg, large
• ½ cup sour cream
• 2 tbsp butter, melted, for the dough
• 1 ½ lbs sweet potatoes, peeled and cubed
• 1 ½ cups sharp cheddar cheese, shredded
• 2 tbsp butter, for the filling
• ¼ tsp black pepper
• ¼ tsp ground nutmeg
• 6 slices bacon, cooked crisp and crumbled
• 4 tbsp butter, for pan-frying
• 1 yellow onion, thinly sliced
• 2 tbsp fresh chives, snipped, for serving