INGREDIENTS
1
Egg, large
1
Egg yolk, large
2 1/4 cups
All-purpose flour
3/4 tsp
Baking soda
2 1/2 tbsp
Cocoa powder
1 1/2 tsp
Cornstarch
1
Food coloring, Blue
1 1/2 cups
Granulated sugar
1/2 tsp
Salt
1 1/2 tsp
Vanilla extract, pure
6 tbsp
Vegetable shortening
1
White chocolate chips
1 1/2 tsp
White vinegar
8 tbsp
Butter, unsalted