They'll never know this chocolate buttercream is low carb and sugar free! Cream butter with electric mixer. Add powdered sweetener and cocoa powder, mix until combined. Slowly add unsweetened milk while beating until incorporated. Blend in vanilla and stevia until desired consistency is reached.
A low carb keto vanilla buttercream recipe that you can use for all of your low sugar cakes! In a large bowl add the room temperature butter. Beat with an electric mixer on high for 5 minutes till fluffy and white in color.
Combine butter and cream cheese in large bowl. Beat at medium speed, scraping bowl often, until smooth. Add vanilla; continue beating until well mixed. Reduce speed to low. Beat, gradually adding low carb powdered sugar replacement, until well mixed.
Pro-Tip: If you need more stable buttercream, replace half of the butter with high-ratio shortening. Add in your powdered sugar one cup at a time while mixing on low speed until smooth. Add in your salt, clear vanilla extract, and cream. Whip on high speed for 2-3 minutes until the buttercream is smooth and fluffy.