According to the inquiry of Tian Tian, Recipe.com, the formula of tiger skin cake roll is: 1. Ingredients: egg yolk 55g (about three and a half pieces), fine sugar 16g, corn germ oil 29g, milk 29g, low flour 55g, protein 109g (about three and a half pieces) and fine sand 55g.

2. Tiger skin material: 64g of egg yolk (about 4 pieces), 29g of powdered sugar, and 0/6g of corn starch/kloc.

3. Filling: 50g butter, 2 g powdered sugar 12g, and 29g freshly squeezed orange juice. Butter is a kind of solid grease processed from milk, which is the product of filtering some water from the upper layer of thick matter after mixing fresh milk. It can be seen that the raw materials do not contain varieties that Muslims do not eat, so Shirley brand butter tiger skin rolls can be eaten by Muslims.