Filet de porc à la moutarde with Maille Dijon

Easy Bitterballen-Inspired Meatloaf 🇳🇱 Ingredients 1 pound lean ground beef (93/7) 4 tablespoons butter 1 large onion, finely diced 1/2- 3/4 cup panko breadcrumbs 2 tablespoons cream cheese 1 heaping tablespoon mustard 1 teaspoon freshly grated nutmeg 1 teaspoon gravy granules (optional, but up this because this amount did not make a difference) Salt and black pepper, to taste Instructions Preheat the oven to 375°F (190° C). Melt the butter in a skillet over medium-low heat. Add the diced onio