INGREDIENTS
3/4 tsp
baking powder
3/4 tsp
baking soda
8 Tbsps
butter
2 1/2 Tbsps
cocoa powder
1 1/2 tsps
cornstarch
1 large
egg
1 large
egg yolk
2 1/4 cups
flour
1 1/2 cups
granulated sugar
1 1/2 tsps
red food coloring
1/2 tsp
salt
1 1/2 tsps
vanilla extract
6 Tbsps
vegetable shortening
1 1/3 cups
white chocolate chips
1 tsp
white distilled vinegar
1 1/2 tsps
white vinegar