INGREDIENTS
1 1/2 tsp
baking powder
12 servings
chocolate
1/2 cup
cocoa powder
2 1/2 cups
confectioners' sugar
1 large
egg yolk
1 1/2 cups
flour
1 cup
granulated sugar
1/2 cup
greek yogurt
1 tbsp
milk
1/4 tsp
salt
1/2 cup
unsalted butter
1 tsp
vanilla extract