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Keto Cinnamon Bun Mug Cake Recipe

Last Update: September 29, 2023

Keep your keto cravings in check with an (almost) instant treat! Made with a popular sugar replacement, warm spices, and gluten-free flours, this quick dessert comes together in about 10 minutes. Just mix all the ingredients in a mug, pop it in the microwave, and you’ll be blissed out any night of the week.

Keto Cinnamon Bun Mug Cake

Yield: 1 serving
Active Time: 10 minutes
Total Time: 12 minutes


For the cinnamon swirl:
2 tablespoons Swerve Brown Sugar Replacement
¼ teaspoon cinnamon
1 tablespoon water

For the cake:
3 tablespoons Thrive Market Almond Flour
1 tablespoon Thrive Market Organic Coconut Flour
½ teaspoon baking powder
½ teaspoon cinnamon
⅛ teaspoon nutmeg
1 tablespoon Swerve Brown Sugar Replacement
1 large egg
1 tablespoon milk of choice
1 tablespoon coconut oil

For the icing:
1 to 2 teaspoons Swerve Confectioners Sugar Replacement
1 tablespoon milk of choice


Make the cinnamon swirl:
Whisk all ingredients in a small bowl.

Make the cake:
Whisk almond flour, coconut flour, baking powder, cinnamon, nutmeg, and brown sugar in a large, microwave-safe mug. Add egg, milk, and oil; whisk until combined. Pour the cinnamon swirl on top of the batter and gently stir (don’t fully mix). Microwave on high for 1 minute and 15 seconds. Remove and let sit 2 minutes before icing.

Make the icing:

Whisk the sugar and milk in a small bowl until smooth. Drizzle over the cake before serving.

Recipe credit: Angela Gaines
For more, check out our ultimate guide to the keto diet!

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Nicole Gulotta

Nicole Gulotta is a writer, author, and tea enthusiast.

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