Preheat oven to 350 degrees. Line a 12-cup muffin pan with baking liners.
Steps 1-5: In a large mixing bowl, add water, eggs, oil and strawberry soda to cake mix. Using a hand or stand mixer, mix on low speed for 1 minute and then on medium for 1 minute.
Steps 6-7: Fill each muffin cup 2/3 of the way with batter. Sprinkle with remaining Heath Milk Chocolate & Toffee Bits and bake 18-20 minutes or until it springs back when touched. Let cool.
Directions For Frosting:
Steps 1-2: In a large mixing bowl or stand mixer, beat butter and powdered sugar for 1 minute or until creamy.
Steps 3-5: Add the strawberry soda and strawberry liqueur and beat until light and fluffy. If the mixture is too thick, add more strawberry soda or a bit of milk, 1 tablespoon at a time.
Step 6: Mix in red sanding sugar.
Step 7 Place in a piping bag and frost cupcakes. Sprinkle with the red sanding sugar if desired.
Step 8: Cut your straw in half and push through the cupcake