- 1 box chocolate cake mix
- 2 12-oz. can Coca-Cola, divided
- 1 c. (2 sticks) butter, softened
- 4 c. powdered sugar
- pinch of kosher salt
- 1 c.white rum, divided
- Juice of ½ lime
Also Read: Pickled Watermelon Margarita
- Preheat the oven to 350 ° and line two muffin cups with 20 molds.
- In a large bowl, combine the cake mix and a can of Coca-Cola and mix until smooth. Divide the dough between the prepared cupcake liners.
- Bake until a toothpick inserted in the middle comes out clean.
- Meanwhile, make the buttercream: in a large bowl using a hand mixer, beat the butter until fluffy.
- Add powdered sugar and salt and beat until combined, then add 1/4 cup rum 1 tablespoon at a time until completely incorporated.
- Transfer the buttercream to a piping bag or resealable plastic bag In a medium measuring cup, combine the remaining can of coke, 3/4 cup of the remaining rum and the lime juice. Use the mix to fill 20 solo shots halfway.
- Pipe frosting in a circle around the edge of each cupcake, then place the filled solo cups in the center. Play ball!
