STEP 1/6
Wash the oranges in warm water, rub them with salt or baking powder, and grind the outer skin of the oranges in a grater. Be careful not to put the white part of the orange in. You can use it if the white part goes in.
STEP 5/6
Mix in melted butter, then put a piping bag or zipper pack in a cup, add the dough, and let it rest in the refrigerator for more than an hour.
Be careful not to put the white part of the orange in when grinding the orange peel. You can use it if the white part goes in.