Coconut Lime Mug Cake

Coconut Lime Mug Cake

A tropical escape in a mug—soft coconut cake brightened with fresh lime zest and juice. Ready in just over a minute, no oven required.

Coconut lime mug cake topped with toasted coconut and lime slice
Hands-on: 5 min Cook: ~65 sec Yield: 1 mug cake Diet: Vegan-friendly option

Ingredients

  • 4 tbsp all-purpose flour (¼ cup)
  • 3 tbsp sugar
  • ⅛ tsp baking powder
  • Pinch fine salt
  • 2 tbsp shredded coconut (toasted or plain)
  • 3 tbsp coconut milk (canned or carton)
  • 1 tbsp neutral oil
  • 1 tbsp fresh lime juice
  • ½ tsp finely grated lime zest
Tip: Toast shredded coconut in a dry skillet 2–3 minutes for extra crunch and aroma.

Step-by-Step

  1. Mix dry. In the mug, whisk flour, sugar, baking powder, salt, and shredded coconut.
  2. Whisk wet. Add coconut milk, oil, lime juice, and zest; stir until smooth.
  3. Microwave. Cook on HIGH ~65 seconds (60–80 sec depending on wattage) until the cake sets at the edges but remains soft on top.
  4. Finish. Rest 1–2 minutes. Garnish with toasted coconut and a lime wedge.
Wattage guide: 1100–1200W: 55–70 sec · ~900W: 70–85 sec. Adjust as needed for your microwave.

How to Serve

  • Sprinkle with extra toasted coconut and lime zest for garnish.
  • Serve with a dollop of coconut whipped cream.
  • Pair with tropical drinks like an Iced Coconut Cream Cold Brew.

Variations & Swaps

  • Almond Joy: Add 1 tsp cocoa powder and a few mini chocolate chips.
  • Pineapple twist: Swap lime juice for pineapple juice and add 1 tbsp crushed pineapple.
  • Gluten-free: Use a 1:1 gluten-free baking blend.
Yield1 serving
Total Time~6 minutes (including mixing & resting)
StorageBest fresh. Cover and refrigerate up to 1 day; rewarm gently 10–15 sec.
Equipment12–14 oz microwave-safe mug, whisk or fork.