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4.87 from 59 votes

Lemon Sheet Cake Recipe

Bright Lemon Sheet Cake with creamy lemon buttercream frosting is a sunny dessert perfect for feeding a crowd!
Prep Time10 minutes
Cook Time25 minutes
Total Time35 minutes
Course: Dessert
Cuisine: American
Servings: 24
Author: Lil' Luna

Ingredients

Cake

  • 1 box lemon cake mix plus ingredients on box
  • 1 cup buttermilk
  • 3 oz white chocolate instant pudding mix

Frosting

  • 1/4 cup butter softened
  • 4 oz cream cheese softened
  • 2 cups powdered sugar
  • 2 tbsp lemon jello mix
  • 1 tsp vanilla extract
  • 1 tbsp lemon juice you can use more if you want more lemon taste
  • 2-3 tsp lemon zest
  • 1-2 tbsp milk

Instructions

  • Preheat oven to 350°F.
  • Add lemon cake mix and pudding mix to a medium bowl.
  • Add buttermilk plus the ingredients on the back of the cake mix box and beat until well combined.
  • Pour into a greased 9x13 pan. Bake for 23-35 minutes (or for more slices and thinner cake, use an 11x15 pan and bake for 18-20 minutes.
  • While the cake is cooling, make the frosting by creaming together butter and cream cheese. Add powdered sugar, vanilla, jello mix, lemon juice, lemon zest, and milk. Beat until smooth.
  • Frost cake and ENJOY!

Video

Nutrition

Calories: 174kcal | Carbohydrates: 32g | Protein: 1g | Fat: 4g | Saturated Fat: 2g | Cholesterol: 11mg | Sodium: 225mg | Potassium: 30mg | Sugar: 23g | Vitamin A: 140IU | Vitamin C: 0.5mg | Calcium: 63mg | Iron: 0.5mg