Ingredients
Method
- Mix flour, sugar, baking powder, and salt in a microwave-safe mug.
- Add yogurt, milk, oil, lemon zest, and lemon juice. Stir until mostly smooth.
- Fold in blueberries gently.
- Microwave on high for 60–90 seconds until cake is set and springs back lightly.
- Let cool 1 minute before eating.