Ethiopian Destaye Dessert Pierogies

Name: Ethiopian Destaye Dessert Pierogies
Prep time: 30 min
Cook time: 15 min
Total time: 45 min
Cuisine: African
Ingredients: 1 ounce (about 1/2 cup) shredded unsweetened coconut; 1 1/2 ounces (about 1/4 cup) shelled whole pistachios; 1 ounce (about 1/3 cup) sliced almonds; 1 1/2 ounces (about 1/4 cup) raisinsâ€”regular, golden, or a mix; 1 tablespoon unsalted butter; 1 tablespoon dark brown sugar; 1/2 teaspoon ground cardamom; 1 pinch kosher salt; 1 large egg; 1/2 cup (4 ounces; 113 grams) plain Greek yogurt (any fat percentage); 3 tablespoons (1 1/2 ounces; 43 grams) unsalted butter, melted and slightly cooled; 1 tablespoon granulated sugar; 1/4 teaspoon kosher salt; 1 1/4 cups (4 1/4 ounces; 120 grams) oat flour; 1 cup (4 1/4 ounces; 120 grams) unbleached all-purpose flour; 1 tablespoon water