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These cute Strawberry Watermelon Cupcakes are moist, easy to make, and are full of strawberry flavor! If you are looking for a new Summer dessert, this is it! Imagine enjoying sitting on the porch and noshing on a cupcake that has frosting that is full of fresh strawberries that you recently picked from the garden. I mean is there anything any better?

Don't get me wrong, there is nothing better than a regular cupcake with plain frosting. However, when you add real strawberries into the frosting, watermelon flavoring oil and real butterfat butter into the frosting, and top the frosting with sprinkles, you are in for a real treat!
Of course, if you love strawberries then you must try our Fruit Sangria. However, if you are more of a lemonade fan, our Elderflower Lemonade is exactly what you are craving.
❤Why Make This Recipe
Easy - you can use store-bought cake mix
Versatile - you can omit the sprinkles, the flavoring oil, and change up the sprinkles
Delicious - I mean is there anything better than strawberries and watermelon?
🥘Ingredients
One of the great things about this recipe is that you probably already have everything in the pantry that you need to make this.
- For the strawberry cake mix, any store brand or homemade cake will work.
- Unsalted butter is always the better choice when you are baking since you can control the amount of salt that you add to the batter.
- Watermelon flavoring oil is something that you can easily find at your local baking shop or on Amazon. I personally love adding flavoring oils to desserts. I think it really helps bring out the flavors you are looking for.
You will find the detailed ingredients listed in the recipe card below.
🔪Instructions
You will find the complete directions to make these watermelon flavored cupcakes below.
🧾Substitutions
You can use a vanilla or yellow cake mix instead of a strawberry cake mix.
If you don't have unsalted butter, salted butter is fine. You may notice a bit of a salty taste to the cupcakes, but it's definitely doable.
Frozen strawberries can be used instead of fresh strawberries.
If you don't have watermelon flavoring oil, you can try watermelon extract or even puree some fresh watermelon.
If you'd rather just use store-bought frosting, that is fine too. Just pick up some strawberry frosting and you will be good to go.
📖Variations
One of the great things about this cupcake recipe is that it is versatile. Feel free to use store-bought frosting, different flavors of cake mix, or even different sprinkles.
🍽Equipment
- 2 piping bags
- Ateco tip
- Hand Mixer
- Cupcake liners
- Muffin tin
🍶Storage
Refrigerator: You can store the cupcakes in the fridge, in an airtight container, for up to two days.
Freezer: You can freeze the cupcakes, but without the frosting. After they have cooled, place them in a freezer-safe bag and freeze for up to two months.
Thawing: Place the bag on the counter and let them come to room temperature, then make the frosting.
🔎Top Tips
Always make sure to use ingredients that are room temperature.
Never overmix your batter. You want all of the ingredients to just be mixed together.
One of the best investments you can make for baking is a variety of cookie scoops. They work fantastic when it comes to adding the batter to muffin tins for cupcakes.
❔FAQ
The most important thing to keep in mind when making cupcakes is that you must store them in an air-tight container after you decorate them. You can't leave them out on the counter or they will dry out.
No or they will overfill the baking liner. Never fill the muffin tin more than ⅔ full or spoon out more than 3 tbsp. of batter into a tin.
One of the main reasons your cupcakes turn out dry is because you have overbaked them. The key to making a cupcake or cake is to start checking the cupcake right at the beginning of the approximate time then go from there. If the time says 15 - 20 minutes. Do the toothpick or cake tester taste at 15 minutes then continue at 3 minute intervals until the toothpick comes out clean.
📖 Recipe
Strawberry Watermelon Cupcakes
Equipment
- 2 piping bags
- Ateco tip
- Hand Mixer
- Cupcake liners
- Muffin tin
Ingredients
- 1 box Strawberry cake mix
- Ingredients to make cake mix
- 4 - 6 c powdered sugar
- 4 fresh strawberries diced and pureed
- 1 stick unsalted butter softened
- 1 tsp. pure vanilla extract
- .0125 dram Watermelon flavoring oil
Instructions
- Preheat the oven according to the directions on the box.
- Line the muffin tin with cupcake liners or silicone liners.
- In a large mixing bowl, prepare the batter according to the directions on the box and add in the Watermelon flavoring oil.
- Using a tablespoon, spoon out 3 tablespoon of batter and add it into each cupcake liner.
- Place the muffin pan into the oven for 15 - 20 minutes (or according to the directions on the box). Start checking the cupcakes at the 15 minute mark by sticking a toothpick or cake tester into the center of the cupcake.
- Remove the pan from the oven and let the cupcakes set in the tin for 10 minutes. The remove the cupcakes from the pan and let them finish cooling on a wire rack.
- While they are cooling, make the frosting.
- Puree the strawberries in a blender.
- Then in a large bowl, add in the powder sugar, vanilla, butter, and the strawberries. Start the mixer on low and mix all of the ingredients together.
- Your goal when mixing this together is a thick yet pipeable frosting. Add more powdered sugar as needed.
- Once you get the desired consistency, add the the tip into the piping bag and push it into the bottom of the bag. Then trim off the bottom of the bag so the tip comes through. Then add the frosting into the piping bag. Pipe the frosting onto the cooled cupcake and add the sprinkles.
- Enjoy!
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