Cookie Bars
1.
Melt the butter at room temperature, beat until smooth, add in powdered sugar, continue to mix the two with egg soot.
2.
Add egg whites several times in small amounts, mix well, sieve milk powder and flour, mix and mix well, use a spatula to gently push the dry powder particles.
3.
Put the batter into the piping bag, shape according to your preference, preheat the oven to 150 degrees, and bake for about 20 minutes.
4.
Put white or dark chocolate according to your taste, sprinkle with crushed dried fruit you like.