Add the vanilla and the egg white solution. Mix well.
Add the Loprofin Baking Mix, baking powder and Sno-Pro/Milupa-lp-Drink and mix until combined.
Pour into muffin trays lined with paper patty cases and cook for 15 minutes or until cooked.
For the icing: using an electric mixer, beat butter until pale. Gradually add icing sugar and Sno-Pro/Milupa-lp-Drink, beating constantly until combined.