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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
  • 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:


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, 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 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 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