Melt in Your Mouth Chocolate Cupcakes - Cupcake Fanatic

Ingredients

• 2 cups all purpose flour
• ¾ cup cocoa
• 1 ½ cups sugar
• 2 tsp. baking soda
• 1 tsp. baking powder
• ½ tsp. salt
• 2 eggs
• 1 cup buttermilk
• ¾ cup strong coffee, cooled
• 3 Tbsp. canola oil
• 2 tsp. vanilla
• 5 large egg whites
• 1 2/3 cups sugar, divided
• 1 vanilla bean, split lengthwise (or 1 tsp. vanilla)
• 1/3 cup water
• 1 pound (4 sticks) unsalted butter, diced, room temperature