Five-Ingredient Lemon Blueberry Mug Cake
Quick and light lemon blueberry mug cake made with only five ingredients, perfect for a speedy single-serving dessert. This american-inspired desserts ready in about 7 minutes layers all-purpose flour, granulated sugar, baking powder into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 220 calories and feeds 1, so it slots into a weekend bake or a special-occasion dessert tray. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 4 tbsp all-purpose flour
- 3 tbsp granulated sugar
- 1/4 tsp baking powder
- 3 tbsp milk
- 2 tbsp fresh blueberries
- 1 tsp lemon zest
Instructions
- Step 1: In a microwave-safe mug, whisk together 4 tbsp all-purpose flour, 3 tbsp granulated sugar, and 1/4 tsp baking powder until evenly combined.
- Step 2: Add 3 tbsp milk and 1 tsp fresh lemon zest to the dry ingredients and stir until a smooth batter forms.
- Step 3: Gently fold in 2 tbsp fresh blueberries, taking care not to crush them.
- Step 4: Microwave the mug on high for 90 seconds; check doneness by inserting a toothpick in the center — it should come out clean.
- Step 5: Let the cake cool for 2 minutes before enjoying directly from the mug or inverting onto a plate.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Five-Ingredient Lemon Blueberry Mug Cake take to make?
Total time is about 7 minutes (5 min prep + 2 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.
How do I store leftover Five-Ingredient Lemon Blueberry Mug Cake?
Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.
Can I substitute ingredients in Five-Ingredient Lemon Blueberry Mug Cake?
Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.
How do I scale Five-Ingredient Lemon Blueberry Mug Cake for a different number of people?
The recipe is written for 1 servings. Multiply each ingredient by (your serving target / 1). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.
What goes well with Five-Ingredient Lemon Blueberry Mug Cake?
American desserts like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.