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Refreshing Lemonade Cake

You'll love this sweet and tart lemonade cake. It's an easy dessert that's light and refreshing. This cake is the ideal summer dessert to serve at all of your summertime parties and even as a weekend dessert for your family.
Prep Time: 15 minutes
Cook Time: 27 minutes
Total Time: 42 minutes
Course: Dessert
Cuisine: American
Keyword: cake, Dessert, Lemon, Lemonade, Refreshing
Servings: 12
Calories: 492kcal


  • 9 x13 pan


Lemonade Cake

  • 1 box Lemon cake mix, 15.25 oz box
  • 1 cup water
  • 1/2  cup vegetable oil
  • 3 eggs
  • 1 cup frozen lemonade concentrate, thawed
  • 1 cup powdered sugar
  • homemade lemon pie filling, or use 1 store bought can
  • 1 tub whipped topping

Homemade Lemon Pie Filling

  • 1 1/2 cup sugar
  • 1 1/2 cup cold water
  • 1/2 cup lemon juice 
  • 1/3 cup cornstarch 
  • 1 egg


Lemonade Cake

  • Preheat the oven to 350° F.
  • Bake the cake mix according to box instructions.
  • Pour into a 9 x 13" pan. Bake for 28-33 minutes (my cake baked for 27 minutes).
  • After the cake is out of the oven and still warm, poke fork all throughout the cake.
  • Next, mix up the lemonade concentrate with the powdered sugar and pour mixture evenly over the cake. Let the cake cool to room temperature and then put it into the fridge for at least one hour to chill. 

For the Pie Filling:

  • In a saucepan, mix together the cold water and cornstarch. Mix until dissolved. 
  • Once dissolved, add the sugar, fresh lemon juice, and lightly beaten egg. 
  • Cook mixture over low/medium heat, constantly stirring until mixture starts to thicken.  
  • (Optional) Add yellow food coloring next, if desired.
  • Remove thickened pie filling from heat and allow to cool completely before eating. 
  • Remove cooled cake from the fridge and spread the homemade lemon pie filling all over it. Last, use an entire 8 oz. tub of whipped topping and dollop all over the pie filling (this makes it easier to spread). Carefully spread whipped topping over entire cake. Slice and enjoy!


Calories: 492kcal | Carbohydrates: 89g | Protein: 4g | Fat: 14g | Saturated Fat: 5g | Polyunsaturated Fat: 6g | Monounsaturated Fat: 3g | Trans Fat: 1g | Cholesterol: 55mg | Sodium: 351mg | Potassium: 85mg | Fiber: 1g | Sugar: 67g | Vitamin A: 94IU | Vitamin C: 7mg | Calcium: 115mg | Iron: 1mg
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