Keto Blueberry Mug Cake

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This Keto Blueberry Mug Cake provides a warm, burst-of-berry experience that serves as the perfect single-portion solution for sudden sweet cravings. Because you utilize a blend of almond flour and vanilla protein powder, you achieve a fluffy, cake-like texture that is both high in protein and low in net carbs. Furthermore, the two-stage cooking process ensures that the blueberries are distributed evenly throughout the cake rather than sinking to the bottom, providing a juicy pop of flavor in every bite.

Ingredients & What You’ll Need

Gather these protein-rich staples and fresh berries to create a quick, nourishing dessert that feels like a decadent muffin.

• Egg: Functions as the primary binder and provides structure to the cake.
• Vanilla extract and salted butter: Offer a rich, aromatic base and essential healthy fats.
• Almond flour: Creates a tender, grain-free crumb.
• Vanilla protein powder: Adds sweetness, structure, and a significant protein boost.
• Confectioners Swerve: Delivers a smooth sweetness without the glycemic impact of sugar.
• Baking powder and cinnamon: Provide the necessary lift and a hint of warm spice.
• Blueberries: Offer natural tartness and a vibrant burst of color.

How to Make Keto Blueberry Mug Cake

This method focuses on a strategic layering technique and careful microwave timing to prevent the cake from drying out.

1. Combine Wet and Dry

First, add the egg, vanilla extract, and melted salted butter to a small measuring cup and whisk until well combined. Add in all the dry ingredients—almond flour, protein powder, Swerve, baking powder, cinnamon, and salt—except for the blueberries. Use a spatula to mix until the batter is fully incorporated and smooth.

2. Layer the Batter

Coat an 8 oz. ramekin or mug with baking spray. Pour half of the batter into the bottom of the container, then add half of the blueberries on top. Cover the berries with the remaining batter. This layering ensures the fruit stays suspended in the middle of the cake during the initial rise.

3. Microwave in Stages

Cook the cake in the microwave for 30 seconds. At this point, the cake should be about halfway cooked, with the top still appearing like batter. Add the remaining blueberries to the top and cook for another 30 seconds. Consequently, you get a beautiful presentation with fresh berries visible on the surface.

4. Oven Alternative

If you prefer to use a conventional oven, bake the ramekin at 350°F (177°C) for 5 to 8 minutes until it reaches that halfway-cooked, batter-like consistency. Add the rest of the blueberries and continue baking for another 5 minutes, or until a toothpick inserted into the center comes out clean.

Tips and Notes

• Power Matters: Microwave times are based on an 1100 Watt unit; you should adjust the timing slightly depending on your microwave’s specific power.
• Under-cook for Moisture: You should aim to slightly under-cook your mug cake, as it will continue to firm up from residual heat after you remove it from the microwave.
• Fruit Swaps: While blueberries are classic, you can substitute them with raspberries or blackberries for a different low-carb fruit profile.
• Serving Suggestion: This cake is excellent when served warm with a small dollop of keto-friendly whipped cream or a drizzle of sugar-free maple syrup.

Keto Blueberry Mug Cake

Prep Time: 5 minutes

Cook Time: 1 minute

Total Time: 6 minutes

This Keto Blueberry Mug Cake is the ultimate 6-minute dessert. By combining almond flour and protein powder, it delivers a satisfying, muffin-like texture with minimal effort and maximum flavor.

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Ingredients

• 1 large egg
• 1 tsp vanilla extract
• 1 tbsp melted salted butter
• 1/4 cup almond flour
• 2 1/2 tbsp vanilla protein powder
• ~3 tbsp Confectioners Swerve
• 1/4 tsp baking powder
• Pinch each: cinnamon and salt
• ~1/4 cup blueberries

Instructions

1. Whisk: Combine egg, vanilla, and melted butter in a cup.
2. Mix: Stir in all dry ingredients (except berries) until smooth.
3. Layer: Pour half the batter into a greased ramekin; top with half the berries, then the rest of the batter.
4. First Zap: Microwave for 30 seconds (top should still be wet).
5. Finish: Add remaining berries on top; microwave for another 30 seconds.
6. Rest: Let it sit for 1 minute to finish cooking before enjoying.

Nutrition Information:

Serving Size: per serving
Amount Per Serving:Calories: 350Total Fat: 25gSaturated Fat: 10gNet Carbohydrates: 6gFiber: 4gSugar: 3gProtein: 22g

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