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Lemon Lime 7UP Soda Cupcakes

Posted on July 21, 2025

Table of Contents

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  • 🍋 Lemon-Lime 7UP Soda Cupcakes
    • 🧁 Ingredients
    • 📝 Instructions
    • 💡 Pro Tips
    • 🌟 Why You’ll Love These

🍋 Lemon-Lime 7UP Soda Cupcakes

Fluffy, citrus-kissed cupcakes with a bubbly twist, topped with zesty buttercream and a playful straw garnish!


🧁 Ingredients

For the Cupcakes:

  • 1 box (15.25 oz) lemon cake mix (or white/yellow + 1 tsp lemon extract)

  • 1 cup 7UP soda (not diet—regular for best rise!)

  • ⅓ cup vegetable oil

  • 3 large eggs

  • Zest of 1 lemon + zest of 1 lime (about 1 tbsp total)

For the Lemon-Lime Buttercream:

  • 1 cup (2 sticks) unsalted butter, softened

  • 4 cups powdered sugar

  • 2 tbsp 7UP soda (reduced to syrup*—see note)

  • 1 tbsp fresh lemon juice

  • 1 tsp lime zest

  • Pinch of salt

  • Green & yellow food coloring (optional, for swirl effect)

Garnish:

  • Mini paper straws (cut into thirds)

  • Extra citrus zest or thin lime slices


📝 Instructions

1️⃣ Make the Cupcakes:

  1. Preheat oven to 350°F and line a muffin tin with cupcake liners.

  2. In a bowl, whisk cake mix, 7UP, oil, eggs, and citrus zests until smooth (small lumps okay—don’t overmix!).

  3. Fill liners ⅔ full (7UP makes them rise extra!). Bake 16–19 minutes until tops spring back. Cool completely.

2️⃣ 7UP Syrup for Buttercream (Optional but Recommended):

  • Simmer ¼ cup 7UP in a saucepan until reduced to 1 tbsp thick syrup. Cool before using. (Boosts flavor!)

3️⃣ Make the Buttercream:

  1. Beat butter until creamy. Gradually add powdered sugar, then mix in 7UP syrup, lemon juice, lime zest, and salt.

  2. For a swirl effect, divide frosting into two bowls. Tint one pale yellow and one pale green.

  3. Load both into a piping bag fitted with a star tip (no mixer? Just swirl with a knife!).

4️⃣ Decorate:

  • Pipe frosting onto cooled cupcakes. Add a straw piece and a sprinkle of zest.


💡 Pro Tips

  • Flavor boost: Brush cupcake tops with lemon-lime simple syrup (equal parts sugar + 7UP, heated until dissolved).

  • No cake mix? Use [homemade lemon cake recipe link].

  • Storage: Keep airtight for 2 days (7UP keeps them moist!).


🌟 Why You’ll Love These

✅ Effortless & fun—7UP adds magic fluffiness!
✅ Tangy + sweet—like a soda in cupcake form.
✅ Party-ready—the straws make them pop!

Perfect for birthdays, picnics, or just because! 🎉🍰 #7UPCupcakes #CitrusDessert

*(Note: For alcohol-free, ensure 7UP is non-alcoholic. Diet soda won’t provide the same texture!)*

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