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Flower cupcakes on a cutting board and raised cloth napkin.

Marbled Strawberry Lemon Flower Cupcakes

These marbled strawberry lemon flower cupcakes are the perfect spring dessert, made with a simple box cake mix hack and finished with marshmallow petals for easy spring baking.
Prep Time 20 minutes
Cook Time 20 minutes
Cooling and Decorating 20 minutes
Total Time 1 hour
Course Dessert
Cuisine American
Servings 24 cupcakes
Calories 210 kcal

Equipment

  • 1 large piping bag

Ingredients
  

Cupcake Batter

  • ½ box strawberry cake mix
  • ½ box lemon cake mix
  • 1 cup water divided
  • 3 eggs divided
  • ½ cup neutral oil divided

Frosting and Marshmallow Flowers

  • 24 marshmallows
  • 24 yellow M&Ms
  • 12 oz tub buttercream frosting

Instructions
 

  • Preheat your oven to 350° F.
  • In two separate bowls, prepare ½ box of strawberry cake mix and ½ box of lemon cake mix according to the box instructions. For both batters combined, I used 3 eggs, 1 cup water, and ½ cup neutral oil, divided evenly between the two bowls. (My kiddos don’t like lemon, so I’m using yellow cake mix.)
  • Once mixed, scoop alternating tablespoons of each batter into the cupcake liners until ¾ full.
  • Give the pan a couple taps on the counter to set, then bake in the oven for 19–23 minutes. My oven works well with 20 minutes.
  • While the cupcakes are baking, make the marshmallow flowers by cutting 4 slits into 24 marshmallows, fanning the petals, and adding a yellow M&M candy (24 total) to the centers.
  • Once your cupcakes are done baking (a toothpick inserted into the center comes out clean), place them on a rack to cool completely before piping on the frosting.
  • While the cupcakes are cooling, add a 12 oz tub of prepared buttercream frosting to a large piping bag.
  • When the cupcakes are cool, pipe on the frosting, starting in the center of each cupcake and creating a swirl pattern to the outer edge until completely covered.
  • Top each cupcake with a marshmallow flower, and enjoy!