PlateLicker

Mushroom & Cheese Pierogis
2 ½ cups all-purpose flour
1 tsp salt
1 large egg
¾ cup warm water
2 tbsp melted butter or oil
2 cups finely chopped mushrooms
1 small onion, finely diced
1 tbsp butter
½ tsp salt
¼ tsp black pepper
½ tsp garlic powder
¾–1 cup shredded cheese (cheddar, mozzarella, or a mix)
2 tbsp cream cheese (optional)
Parsley or dill (optional)