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A slice of sugar free vanilla sheet cake on a white plate with a bite taken out.

Sugar Free Vanilla Sheet Cake Recipe (Easy Cake Mix Recipe)


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  • Author: Brittany
  • Total Time: 1 hour
  • Yield: 12 slices 1x
  • Diet: Sugar-Free

Description

This Sugar Free Vanilla Sheet Cake is soft, fluffy, and full of classic vanilla flavor – without the added sugar. It’s quick, easy, and starts with a sugar free cake mix, making it perfect for birthdays, family gatherings, or anytime you need a dependable sugar-free cake recipe that fits a low-sugar lifestyle.


Ingredients

Units Scale

For the Sugar Free Vanilla Sheet Cake:

  • 1 box Zero Sugar Yellow Cake Mix

    (affiliate)

  • 1 box Sugar Free Vanilla Pudding Mix (1.34 oz)
  • 3 Eggs
  • 1/3 cup Vegetable Oil
  • 1 cup Water
  • 1 Tablespoon Vanilla Extract

For the Sugar Free Vanilla Cool Whip Frosting:

  • 1 container Zero Sugar Cool Whip

    (affiliate)

  • 1 box Sugar Free Vanilla Pudding Mix (1.34 oz)
  • 1 cup Milk

Instructions

  1. Preheat the Oven: Preheat oven to 325°F and lightly grease a 9×13-inch baking dish.
  2. Prepare the Cake Batter: In a large bowl, combine the zero sugar yellow cake mix

    (affiliate)

    , sugar free vanilla pudding mix, eggs, vanilla extract, water, and vegetable oil. Mix until smooth and fully combined.
  3. Bake the Cake: Pour batter into the prepared pan and spread it evenly. Bake according to the cake mix package directions, or until the center of the cake is set and a toothpick inserted comes out mostly clean.
  4. Let the Cake Cool Completely: Allow the cake to cool completely before adding the topping.
  5. Prepare the Pudding Mixture: In a separate bowl, whisk or use an electric hand mixer

    (affiliate)

    and combine the sugar free pudding mix and milk until smooth and slightly thickened.
  6. Fold in the Whipped Topping: Gently stir in the zero sugar cool whip

    (affiliate)

    until the mixture is light and creamy.
  7. Spread the Topping Over the Cooled Cake: Smooth it evenly across the surface, then refrigerate the cake until ready to serve.

  • Prep Time: 20 minutes
  • Cook Time: 30 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American