Peanut Butter Mug Cake (Keto)

Makes 1 Serving
Prep Time: 2 Minutes • Cook Time: 1 Minute
Gluten Free • Vegetarian • Low Carb

Jump to Recipe | Nutrition Information

This quick keto peanut butter mug cake delivers rich peanut butter flavor with a texture that can range from soft cake-like consistency to warm lava-style pudding depending on cooking time. It makes an easy low carb dessert or filling keto snack using only a few simple ingredients, while optional peanuts or dark chocolate can add extra crunch and peanut-butter-cup flavor.

Ingredients

• 3 Tbsp natural peanut butter
• 1/4 tsp stevia extract powder or liquid
• 1/4 tsp baking soda
• 4 Tbsp water

Optional toppings:

• Peanuts, whole or chopped
• Unsweetened dark chocolate chips
• Chopped unsweetened baking chocolate

Instructions

1. Spoon the peanut butter into a microwave-safe mug or small bowl.
2. Microwave for 30 seconds to soften.
3. Stir until smooth.
4. Stir in the stevia and baking soda.
5. Add the water slowly while stirring until the mixture becomes smooth and pudding-like.
6. Add optional toppings if desired.
7. Microwave on high for about 55 seconds for a cake-like texture.
8. For a softer lava-style texture, microwave for about 45 seconds instead.
9. Allow to cool slightly before eating.

Notes

• Smooth or crunchy peanut butter both work well.
• Natural peanut butter made only from peanuts and salt is recommended.
• Almond butter or other natural nut butters can also be substituted.
• Microwave times may vary slightly depending on mug size and microwave wattage.

Serving Ideas / Variations

Try customizing this keto mug cake with:

• Chopped pecans
• Walnuts
• Cinnamon
• Sugar free chocolate syrup
• Unsweetened coconut flakes
• A spoonful of cream cheese
• Keto whipped cream

For extra peanut butter flavor, drizzle additional warmed peanut butter over the top before serving.

Storage Tips / Food Safety / Longevity

This recipe is best enjoyed fresh while warm.

If needed, leftovers can be refrigerated in a covered container for up to 1 day and reheated briefly before serving.

Nutrition Information

Calories: 300
Fat: 25g
Protein: 13g
Total Carbs: 10g
Fiber: 4g
Net Carbs: 6g

Nutrition values are estimates and may vary depending on ingredients used.

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