Keto Sun-Dried Tomato Pesto Mug Cake (2-Minute Recipe)

Breakfast

March 29, 2026

A woman in a cozy sweater holding a ceramic mug containing a freshly cooked Sun-Dried Tomato Pesto Mug Cake garnished with basil.

Craving a savory, satisfying breakfast but short on time? This Sun-Dried Tomato Pesto Mug Cake is your morning-saver! It’s a warm, fluffy, café-style treat that comes together in your microwave in just two minutes. Say goodbye to a pile of dishes and hello to a delicious, high-protein start to your day. This little mug of magic is perfect for busy mornings or a cozy, effortless meal.

Ingredients

• 1 large egg / 50g
• 3 tbsp / 21g superfine almond flour
• 2 tbsp / 28g unsalted butter, melted
• 5 tsp / 25g sun-dried tomato pesto, plus extra for garnish
• 0.5 tsp / 2g baking powder
• 1 pinch / 1g fine sea salt

Instructions

1. Combine : In a 12 oz microwave-safe mug, add the melted butter, egg, almond flour, sun-dried tomato pesto, baking powder, and salt.
2. Mix Batter: Whisk vigorously with a fork until the batter is completely smooth and uniform in color.
3. Microwave: Cook on high power for 75 seconds. The cake will rise and be firm to the touch.
4. Loosen Cake: Carefully remove the hot mug and tap the bottom firmly on a plate once to help detach the cake from the sides.
5. Garnish and Serve: Top with an extra teaspoon of pesto if desired and enjoy immediately, either in the mug or turned out onto a plate.

Nutritional Information

• Calories: 490 kcal
• Total Carbohydrates: 7g
• Dietary Fiber: 3g
• Net Carbohydrates: 4g
• Protein: 13g
• Fat: 46g
• Sugar: 2g
• (Note: Values are approximate and vary based on used.)

Pro Tips

• Use a 12 oz mug or larger to prevent the batter from overflowing as it rises.
• Include some of the oil from the pesto jar. This adds crucial moisture and prevents a dry, crumbly cake.
• For the best texture, use a room-temperature egg to prevent the melted butter from seizing and clumping.
• Microwave power varies. If you have a 1000W+ microwave, start with 60 seconds and add 10-second bursts as needed to avoid a rubbery texture.

FAQ

Q: Is this pesto mug cake keto-friendly
A: Absolutely! With only 4g of net carbs and a high fat and protein content, this sun-dried tomato pesto mug cake is a perfect fit for a ketogenic diet. It’s a delicious and quick keto breakfast option.

Q: How do I prevent my mug cake from being rubbery
A: The key to a fluffy, non-rubbery texture is to avoid overcooking. Microwave wattages vary, so start with 60 seconds and add 10-second intervals only if needed. Using a room-temperature egg also helps the batter mix smoothly, contributing to a better final texture.

Q: Can I make this savory mug cake ahead of time
A: This savory mug cake is best enjoyed immediately after cooking for the fluffiest texture. Reheating can make it tough. Since it only takes two minutes to make from scratch, we recommend preparing it fresh for a quick and delicious breakfast.

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