INGREDIENTS 3 Tbsp Butter 2 Onions, diced 2 Portobello mushrooms, diced very finely 500g Beef mince 250g Pork mince 2 Tbsp Worcestershire sauce 1 Tbsp Balsamic Vinegar ½ tsp Garlic powder ½ tsp dried Oregano ½ tsp dried Thyme ½ tsp ground Black Pepper 1 tsp Salt 1 ½ Cups grated Mozzarella Cheese (or …