Baked Potato with clove

3 tablespoons butter 1 cup white onion, chopped 1 cup red onion , chopped 100 g prosciutto , chopped 1 1/2 cups cremini mushrooms , chopped 2 garlic cloves ,[...]

4 large baking potatoes 9 ounces ground beef 1 small onion 1 garlic clove 3 1/2 ounces mushrooms 7 tablespoons beef stock 1 tablespoon tomato paste 2 ounces[...]