Instructions
- Grease Your Mug: Lightly coat a 12-ounce microwave-safe mug with butter or oil.
- Mix Wet Ingredients: In the mug, stir together melted butter, sugar, milk, and lemon juice.
- Add Dry Ingredients: Stir in flour, baking soda, salt, and lemon zest. Mix until just combined—don’t overmix!
- Microwave: Cook on high for 60–75 seconds. The top should look set but soft. Let rest 1 minute in microwave.
- Make Glaze: In a small bowl, whisk powdered sugar and lemon juice until smooth and pourable.
- Top and Enjoy: Pour glaze over warm cake. Let it drip down the sides. Grab a spoon and dig in!
Tips & Variations
- No fresh lemon? Bottled juice works in a pinch, but fresh zest gives the best zing.
- Want it extra gooey? Add 1 tsp lemon curd in the center before microwaving.
- Dairy-free? Use almond milk and coconut oil.
- Gluten-free? Sub in a 1:1 gluten-free flour blend.
- Like it sweeter? Add 1 tsp white chocolate chips or a drizzle of honey on top.
- Texture tip: Stir until just combined—overmixing = dense cake!
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