Halloween Dark Chocolate Cupcakes | The Fancy Pants Kitchen

Ingredients

• 4 tbsp unsalted butter
• 1/4 cup vegetable oil
• 1/2 cup water
• 1 cup all-purpose flour
• 1 cup granulated sugar
• 1/4 cup plus 2 tbsp unsweetened natural cocoa powder (not Dutch-process)
• 3/4 tsp baking soda
• 1/8 tsp kosher salt
• 1 large egg
• 1/4 cup buttermilk
• 1 tsp pure vanilla extract
• 6 cups powdered sugar sifted
• 2 cups unsalted butter room temperature, the whitest butter you can find
• 2 tsp clear vanilla extract or colorless flavoring of your choice
• 4 tbsp heavy whipping cream room temperature
• violet color gel
• bright white color gel