• In a medium-sized bowl, combine 1 pound ground beef, 1/4 cup panko bread crumbs, 1 tablespoon parsley, 1/4 teaspoon ground allspice, 1/4 teaspoon ground nutmeg, ¼ cup onion, ½ teaspoon garlic powder, ⅛ teaspoon pepper, ½ teaspoon salt, and 1 egg. Mix until combined.
• Roll into 12 large meatballs or 20 small meatballs. In a large skillet over medium-high heat, add 1 tablespoon olive oil and 1 tablespoon butter. Add the meatballs and cook for 7-8 minutes, turning continuously until brown on each side and cooked through. Transfer to a plate and cover with foil.
• Add 4 tablespoons butter and 3 tablespoons flour to the skillet and whisk until it turns brown. Slowly stir in 2 cups beef broth and 1 cup heavy cream. Add 1 tablespoon Worcestershire sauce and 1 teaspoon Dijon mustard and bring to a simmer until the sauce starts to thicken. Salt and pepper to taste
• Add the meatballs back to the skillet and reduce to a simmer for another 1-2 minutes. Serve over egg noodles or mashed potatoes.
