Microwave Mug Banana Bread

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A moist and tender single-serving banana bread made in the microwave, perfect for a quick and comforting dessert. This american-inspired desserts ready in about 7 minutes layers ripe banana, all-purpose flour, brown sugar 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 250 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.

Prep: 5 min Cook: 2 min Serves 1 American cuisine 250 cal/serving
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Ingredients

Equipment for this recipe

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Instructions

  1. Step 1: In a large microwave-safe mug, mash 1 medium ripe banana with a fork until mostly smooth.
  2. Step 2: Add 4 tablespoons all-purpose flour, 2 tablespoons brown sugar, and 1/4 teaspoon baking powder to the mug. Stir to combine evenly.
  3. Step 3: Pour in 2 tablespoons milk, 1 tablespoon vegetable oil, and 1/4 teaspoon vanilla extract. Mix thoroughly to form a smooth batter.
  4. Step 4: Microwave on high power for 90 seconds, then check the doneness by inserting a toothpick; if wet batter remains, microwave in additional 15-second increments until cooked through.
  5. Step 5: Let the mug banana bread cool for 2 minutes before eating directly from the mug or transferring onto a plate.

Frequently asked questions

How long does Microwave Mug Banana Bread 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 Microwave Mug Banana Bread?

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 Microwave Mug Banana Bread?

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 Microwave Mug Banana Bread 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 Microwave Mug Banana Bread?

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.