美味凤梨卷 Pineapple Tart Rolls 新年必备的黄梨饼 Chinese New Year Cookies

Ingredient 

Unsalted butter 250g 无盐奶油

Icing sugar 50g 糖粉

Egg yolk 2pcs 蛋黄

Super fine flour 340g 特幼面粉

Corn starch 40g 玉米粉

Pineapple filling 500g 现成黄梨馅

Egg wash：表面刷黄

egg yolk 1 pc + water 1 tbsp 一颗蛋黄+一汤匙清水