Spring and summer collided on a plate and brought you this delicious LEMON ZUCCHINI CAKE!
4 from 2 votes

Lemon Zucchini Cake

Lemon Zucchini Cake layers of zucchini cake with lemon zest with whipped lemon buttercream frosting. A bite of summer collide on our cake plate.
Course Dessert
Cuisine American
Prep Time 10 minutes
Cook Time 45 minutes
Total Time 55 minutes
Servings 12
Calories 476kcal
Author Sandra McCollum


  • 1 box yellow cake mix
  • 1 4- ounce box instant vanilla pudding
  • 1 1/2 cups water
  • 1/2 cup flour
  • 1/2 cup milk
  • 2 large eggs
  • 1 tablespoon lemon zest
  • 3 cups grated zucchini

Whipped Lemon Buttercream Frosting:

  • 1/2 cup butter softened
  • 4 cups powdered sugar confectioners sugar
  • 2 tablespoons lemon zest
  • 2-3 tablespoons heavy whipping cream
  • Juice from 1 small lemon


  • Preheat oven to 350 degrees.
  • Grease and flour two 8 or 9-inch round baking pans and set aside.
  • In a large mixing bowl mix together all of the dry ingredients: cake mix, pudding, and flour.
  • Beat in eggs, zucchini, lemon zest, milk and water until well combined.
  • Pour batter into prepared pans, dividing evenly. Place in oven and bake for 40-45 minutes or center is set and cake is pulling from the edges. You can also use a tooth pick and push it into the center of the cake and when removed it should be clean.
  • Allow the cakes to completely cool on baking rack.
  • In the mean time prepare Whipped Lemon Buttercream Frosting.
  • Whipped Lemon Buttercream Frosting
  • Using an electric mixer beat butter until smooth, add in lemon zest and powder sugar and mix on low, once the powder sugar is mixed it add in heavy whipping cream and juice from lemon. Beat on high for 3-4 minutes or until frosting is smooth and making soft stiff peaks.
  • Place one cake layer on a serving plate, I like to use a cake stand.
  • Assemble layer Cake. Evenly spread the a generous 1/3 of the frosting on top of the bottom layer, then add the second cake on top. Using the remaining frosting, frost the top and the outside of the layered cake. Make sure to spread and frost evenly. Immediately serve or store at room temp.


Calories: 476kcal | Carbohydrates: 92g | Protein: 3g | Fat: 11g | Saturated Fat: 6g | Cholesterol: 52mg | Sodium: 476mg | Potassium: 130mg | Fiber: 1g | Sugar: 68g | Vitamin A: 390IU | Vitamin C: 7.5mg | Calcium: 118mg | Iron: 1.4mg