Mini Meatloaf Muffins with Mashed Potato Frosting

Name: Mini Meatloaf Muffins with Mashed Potato Frosting
Cuisine: American
Ingredients: Mini Meatloaf Muffins with Mashed Potato Frosting 🧁🎉; For the Meatloaf; 1 lb ground beef; 1/2 cup breadcrumbs; 1/4 cup ketchup; 1/4 cup milk; 1 small onion, finely chopped; 1 egg; 1 teaspoon Worcestershire sauce; 1/2 teaspoon garlic powder; Salt and pepper to taste; For the Mashed Potato “Frosting”; 4 large potatoes, peeled and cubed; 1/4 cup milk; 2 tablespoons butter; Salt and pepper to taste; Fresh chives or parsley for garnish