Chocolate Dipped Buckeye Cupcakes - Ohio Eggs

Ingredients

• 1 box chocolate cake mix (15.25 ounces)
• 3 large eggs
• ½ cup butter, softened
• 1 cup milk
• 1 cup butter, softened
• 2 cups creamy peanut butter
• 1 teaspoon vanilla
• 4 cups powdered sugar
• 4-6 tablespoons heavy cream
• 2 cups dark chocolate
• 1 tablespoon shortening, optional
• 24 buckeye candies for topping, optional