डोनट आइस क्रीम संविचेस

Name: Doughnut Ice Cream Sandwiches
Ingredients: 1x7g packet of dried yeast; 30ml warm water; 175ml lukewarm milk scalded, then cooled; 55g caster sugar; 1/2 tsp salt; 1 large egg; 50g vegetable shortening; 400g plain flour; 150g icing sugar; 25ml milk; 1 tsp vanilla extract; 1L vegetable oil