Ingredients
Serves: 16 cupcakes
1 1/4 cups flour
2/3 cup unsweetened cocoa
1 1/2 tsp baking powder
1/2 tsp baking soda
1/2 tsp salt
3/4 cup sugar
1/2 cup light brown sugar
1 large egg plus 1 egg yolk, at room temperature
1/2 cup milk, at room temperature
1/4 cup plain fat-free Greek yogurt, at room temperature
1/4 cup oil
2 tsp vanilla extract
2 tsp instant espresso
1/2 cup boiling water
3 Tbsp unsalted butter, melted
1/4 tsp vanilla extract
1/8 tsp salt
1 cup powdered sugar
1/4 cup unsweetened cocoa
3 Tbsp milk
Preparation