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Overhead of Lemonade Cake with Blueberry filling and lemonade butter cream frosting with a candle in it
5 from 1 vote
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Lemonade Cake with Blueberry Filling

Lemonade Cake with Blueberry filling and Lemonade Buttercream
Prep Time10 minutes
Cook Time25 minutes
Additional Time1 day
Total Time1 day 35 minutes
Cuisine: American
Keyword: Lemonade Cake with Blueberry Filling
Servings: 1 cake
Calories: 5401kcal
Author: Michaela Kenkel

Ingredients

  • Filling:
  • Combine in a saucepan:
  • 1 cup frozen blueberries
  • 1/4 cup water
  • 1 T lemon juice
  • 1 T lemon zest
  • Cake:
  • 1 box of white cake mix
  • 3/4 cup frozen concentrate lemonade
  • 1/2 cup water
  • 4 egg whites
  • 1/3 cup vegetable oil
  • Frosting:
  • 6 cups of powdered sugar
  • 2 sticks of unsalted butter
  • 3 T lemonade concentrate
  • pinch of salt yellow food coloring

Instructions

Filling:

  • Bring to a boil, reduce and simmer for 10-15 minutes, stirring occasionally.
  • Desolve 1 T corn starch in 1 T water, add to blueberries and stir until thick, about 5 minutes.
  • Place in refrigerator for 24 hours.

Cake:

  • Preheat oven to 350 degrees. Stir ingredients together with mixer on low then increase speed to medium and beat for 2 minutes, scraping bowl.
  • Grease and flour baking pans.
  • Divide batter evenly between pans, bake for 20-25 minutes or until toothpick inserted in center comes out clean.
  • Cool in pans, then on cooling rack until completely cool.

Frosting:

  • Beat ingredients until thick.
  • Add blueberries to bottom layer of cake, some will drip down side, I cleaned it up with a paper towel.
  • Do a “crumb layer” of frosting on entire cake, place cake in the fridge for about 30 minutes, frost with remaining frosting. I piped an edge around the bottom and made a decorative “ring” of piped frosting in the center, where I added fresh blueberries to the top.
  • Place fresh blueberries around the bottom of the cake.

Nutrition

Serving: 1g | Calories: 5401kcal | Carbohydrates: 763g | Protein: 22g | Fat: 266g | Saturated Fat: 122g | Polyunsaturated Fat: 130g | Trans Fat: 2g | Cholesterol: 487mg | Sodium: 653mg | Fiber: 6g | Sugar: 720g