Five vanilla cupcakes with swirls of white frosting are arranged closely on a light gray surface, showcasing their golden-brown bases and decorative paper liners.

Frosted Low-Carb Cake (Just 2g Net Carbs per Serving)


Sometimes, you can have your cake and eat it too, and this recipe proves it. In under an hour, you can bake a freshly made cake or cupcakes topped with rich, creamy frosting, all while staying keto or low-carb. Each serving delivers as few as 2 grams of net carbs, so you never have to choose between flavor and your goals.

This recipe works thanks to smart swaps like Good Dee’s Low-Carb Cake Mixes and Lakanto Powdered Monkfruit Sweetener, which keep carbs low without sacrificing taste. Stick with classic flavors or mix and match frosting variations to satisfy any craving, with no diet detours required.

 

Why This Cake Works for Low-Carb & Keto Lifestyles

  • Only 1g net carbs per serving from Good Dee’s Cake Mix
  • Low sugar: Just 1g added sugar per serving
  • Gluten-free and made without artificial sweeteners
  • Frosting with 0g net carbs when made with Lakanto Powdered Monkfruit Sweetener

Lakanto’s monk fruit and erythritol blend delivers sweetness without calories, carbs, or sugar, making it ideal for creamy buttercream and vanilla frosting that tastes indulgent but stays keto-friendly.


Cake & Frosting Flavor Ideas

Once you’ve mastered the base recipe, try these easy variations:

  • Classic Vanilla: Good Dee’s Yellow Snack Cake with vanilla buttercream
  • Lemon Bliss: Add fresh lemon zest and juice to cake or frosting (or thin into a glaze)
  • Strawberry Frosting: Blend freeze-dried or puréed strawberries (+1g net carbs)
  • Carrot Cake Favorite: Good Dee’s Low-Carb Carrot Cake topped with cream cheese frosting

Short on time? Duncan Hines Keto Friendly Vanilla Frosting is a ready-to-use option with 2g net carbs and 4g fiber per serving.

Serving Ideas

Perfect for parties, family gatherings, or everyday treats, this cake pairs beautifully with coffee or tea. Garnish with:

  • Fresh berries
  • Mint sprigs
  • Lemon wedges
  • A light dusting of cocoa powder

The recipe makes one 8-inch single-layer cake or 8-12 cupcakes. Double the mix for a layered cake.

Low-Carb Cake & Frosting Recipe

Makes: 1 cake or 8-12 cupcakes

Ingredients

For the Cake

For the Frosting

Instructions

  1. Preheat oven to 350°F. Grease an 8-inch cake pan or line cupcake tin.
  2. Beat eggs, oil, and vanilla. Gradually mix in cake mix until smooth.
  3. Pour batter into pan or fill cupcake liners halfway.
  4. Bake 23-30 minutes for cake or 12-15 minutes for cupcakes. Cool completely.
  5. For frosting, beat butter and sweetener on low until combined, then medium until smooth.
  6. Add vanilla and cream as needed to reach desired consistency.
  7. Frost, serve, and enjoy!
Low-carb cake recipe