Easy Banana Oat Microwave Mug Cake Ready in 5 Minutes

Photo of author

By Gianna Poulef

Banana Oat Microwave Mug Cake

Some recipes are meant for weekends. Others are made for real life. This Banana Oat Microwave Mug Cake belongs to the second category. It’s what I make when I want something warm and filling without turning on the oven or dirtying half the kitchen.

Ripe banana brings natural sweetness, oats make it hearty, and the microwave does the rest. It’s soft, lightly sweet, and incredibly comforting — perfect for breakfast, an afternoon snack, or a late-night treat. If quick, cozy recipes are your thing, don’t forget to subscribe by email so you never miss one from my kitchen to yours

Overview of Recipe Content

What Is a Banana Oat Mug Cake?

A single-serving cake mixed and cooked right in a mug using simple pantry ingredients. The oats soften as they cook, creating a tender, almost bread-like crumb with banana flavor in every bite.

Why You’ll Love This Recipe

  • Ready in under 5 minutes
  • No oven required
  • Naturally sweetened
  • Perfect single serving

What Does It Taste Like?

Warm banana bread vibes with a soft, comforting texture — lightly sweet, filling, and perfect with coffee.

Ingredients

This Now, Make It Later!

For the Banana Oat Microwave Mug Cake

  • 1 ripe banana, mashed thoroughly
  • ¼ cup rolled oats (quick oats for smoother texture)
  • ¼ cup milk (dairy or non-dairy)
  • 1 tablespoon honey or maple syrup
  • ½ teaspoon baking powder
  • ¼ teaspoon cinnamon (optional, but lovely)
  • Pinch of salt
  • ½ teaspoon vanilla extract (optional)

Tools Needed

Substitutions & Additions

  • Add chocolate chips or blueberries
  • Use almond or oat milk
  • Stir in peanut butter
  • Add chopped nuts for crunch

How to Make Banana Oat Microwave Mug Cake

Step 1: Mash the Banana

In a microwave-safe mug, mash the banana until smooth.

Step 2: Add Ingredients

Stir in oats, milk, honey, baking powder, cinnamon, salt, and vanilla until combined.

Step 3: Microwave

Microwave on high for 60–90 seconds, until set in the center.

Step 4: Rest and Enjoy

Let rest 1 minute before eating — it firms up slightly as it cools.

What to Serve with Banana Oat Mug Cake

  • Coffee or latte
  • Yogurt on the side
  • Fresh berries
  • A drizzle of nut butter

Tips for Making It Perfect

  • Use a ripe banana for sweetness
  • Don’t overcook — start with 60 seconds
  • Stir well to distribute baking powder
  • Let it rest before eating

Storage Instructions

  • Best eaten immediately
  • Can be refrigerated up to 24 hours
  • Reheat gently in microwave

General Information

Microwave mug cakes became popular for their convenience and single-serving ease. Oats make them more filling and breakfast-friendly than traditional mug cakes.

Frequently Asked Questions

Can I blend the oats?

Yes — blending makes it cake-like.

Is this healthy?

It’s wholesome, filling, and naturally sweetened.

Can I make it vegan?

Yes — use plant milk and maple syrup.

Can I double the recipe?

Better to make two mugs separately.

Conclusion

This Banana Oat Microwave Mug Cake is proof that comfort doesn’t have to be complicated. Warm, simple, and ready in minutes, it’s the kind of recipe you’ll come back to again and again. If you love quick bakes like this, try these next:

Interactive Elements

Did this mug cake save your morning? Leave a review
Share your cozy mug on Pinterest and tag me https://www.pinterest.com/poulefrecipe/

Nutritional Information (Per Mug – Approximate)

NutrientAmount
Calories280
Fat6g
Saturated Fat1g
Carbs50g
Sugar18g
Protein7g
Fiber6g
Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon

Easy Banana Oat Microwave Mug Cake Ready in 5 Minutes


5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

  • Author: Gianna Poulef
  • Total Time: 5 minutes
  • Yield: 1 serving 1x
  • Diet: Vegetarian

Description

Banana Oat Microwave Mug Cake is a quick, single-serving cake made with ripe banana and oats. Warm, filling, and ready in minutes — perfect for breakfast or a cozy snack.


Ingredients

Scale

1 ripe banana

¼ cup rolled oats

¼ cup milk

1 tablespoon honey or maple syrup

½ teaspoon baking powder

¼ teaspoon cinnamon

Pinch of salt

½ teaspoon vanilla extract


Instructions

1. Mash banana in a microwave-safe mug.

2. Stir in remaining ingredients.

3. Microwave 60–90 seconds.

4. Rest briefly before eating.

Notes

Use ripe bananas.

Start with 60 seconds to avoid overcooking.

Best eaten warm.

  • Prep Time: 3 minutes
  • Cook Time: 2 minutes
  • Category: Breakfast
  • Method: Microwave
  • Cuisine: American

Nutrition

  • Serving Size: 1 mug
  • Calories: 280
  • Sugar: 18g
  • Sodium: 180mg
  • Fat: 6g
  • Saturated Fat: 1g
  • Unsaturated Fat: 4g
  • Trans Fat: 0g
  • Carbohydrates: 50g
  • Fiber: 6g
  • Protein: 7g
  • Cholesterol: 0mg
Easy Banana Oat Microwave Mug Cake Ready in 5 Minutes
Gianna Poulef
CEO, Chef & Recipe Creator at BLYNO LLC | Website

I’m Gianna Poulef from Poulef Recipes. I love sharing perfected dishes from my kitchen. I’m sure they’ll earn a spot in your heart. Let’s savor this journey together!.

Let’s be friends!

0 Shares
Get Your FREE eBook Now!

You might also like these recipes