1) 200g of butter 2) 2 medium onions,
chopped 3) 2 cloves of garlic,
roughly chopped 4) 750g of beef
livers, cut into small pieces (you can replace beef
livers with chicken or goose
livers) 5) 1 tablespoon of white wine (make sure its dry white wine, not sweet or dessert wine) 6) 1 teaspoon of mustard powder 7) Salt & freshly ground black pepper to taste 8) Parsley to garnish (optional)