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High-Protein Cinnamon Roll Mug Cake

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Total Time 3 minutes
Servings: 1
Calories: 290
Ingredients Method Notes

Ingredients
  

  • 3 tbsp rolled oats blended into a rough flour
  • 1 large egg
  • 2 tbsp plain Greek yogurt
  • 1 tsp honey or maple syrup
  • 1/4 tsp baking powder
  • 1 tsp cinnamon
  • 1/4 tsp vanilla extract
  • Pinch of salt
  • For the drizzle: 1 tbsp low-fat cream cheese mixed with 1 tsp milk and a drop of honey until smooth
  • Optional: an extra pinch of cinnamon swirled into the batter before microwaving for a marble effect

Method
 

  1. Blend the rolled oats in a blender or small food processor for 10–15 seconds until you have a rough oat flour.
  2. In a microwave-safe mug (at least 300ml capacity), combine the oat flour, egg, Greek yogurt, honey, baking powder, cinnamon, vanilla extract, and pinch of salt.
  3. Mix thoroughly with a fork until the batter is smooth and no dry flour remains at the bottom of the mug.
  4. If doing the cinnamon swirl, add an extra pinch of cinnamon on top and use a toothpick or fork to swirl it through the surface of the batter.
  5. Microwave on high for 60–75 seconds. The cake should be just set on top — it will firm up slightly as it cools. Start with 60 seconds and add 10 seconds at a time if needed.
  6. While the mug cake cooks, make the cream cheese drizzle: mix the cream cheese with milk and a drop of honey until smooth and pourable.
  7. Allow the mug cake to cool for 1 minute before drizzling the cream cheese mixture over the top.
  8. Serve immediately in the mug.

Notes

Blending rolled oats into flour takes fifteen seconds and costs a fraction of buying oat flour pre-packaged — a large bag of rolled oats used across breakfast, smoothie, and dessert recipes is one of the most economical pantry investments in budget cooking. The cream cheese drizzle uses only a tablespoon of cream cheese, which makes a block of cream cheese stretch across many batches of this recipe. Microwaving rather than baking eliminates preheating time and uses significantly less energy than an oven.