Pork and Mushroom Meatloaf

Pork and Mushroom MeatloafIngredients½ cup cup walnuts, chopped2 tbsp olive oil1 brown onion, grated2 garlic cloves, crushed400 g button mushrooms, chopped750 g pork mince½ cup fresh breadcrumbs½ cup flat-leaf parsley, finely chopped1 egg¾ cup cup...