Banana Oatmeal Mug Cake Recipe
A fast, healthy, naturally sweet treat you can make in minutes.
This Banana Oatmeal Mug Cake is the perfect quick dessert when youβre craving something sweet but want to stay on track. Itβs sugar-free, gluten-free, and flour-free β made with simple ingredients like ripe bananas, oats, and milk. Soft, warm, and wholesome, this little mug cake is satisfying enough for dessert and light enough for a snack. Best of all? It takes less than 10 minutes from start to finish.
π Servings & Timing
- Prep Time: 5 minutes
- Cook Time: 2β3 minutes
- Total Time: 7β8 minutes
- Servings: 1
- WW Points: ~6 (varies by ingredients)
π§ Ingredients
- 4 ripe bananas, mashed
- 1 egg
- β cup (80 ml) milk (dairy or plant-based)
- 1 cup (100 g) oats
π©βπ³ How to Make It
1. Mash the Bananas
In a microwave-safe mug, mash the bananas with a fork until smooth and creamy.
2. Add Wet Ingredients
Stir in the egg and milk until everything is well combined.
3. Add the Oats
Mix in the oats and stir until the batter looks even and thick.
4. Microwave the Mug Cake
Cook on high for 2β3 minutes, or until the cake rises and feels firm in the center.
(Microwave strength varies, so check at the 2-minute mark.)
5. Cool and Enjoy
Let it cool for about a minute. Enjoy warm, straight from the mug!
π₯£ Diet-Friendly Highlights
- Sugar-Free
- Gluten-Free
- Flour-Free
- Naturally Sweetened (thanks to bananas!)
π― Flavor Variations & Serving Ideas
Flavor Boosts
- Add cinnamon or nutmeg for cozy warmth.
- Mix in chia seeds, walnuts, or dark chocolate chips for extra richness.
- Add a splash of vanilla extract for aroma.
Topping Ideas
- Fresh banana slices
- A spoonful of unsweetened yogurt
- A drizzle of peanut butter or almond butter
- A sprinkle of cinnamon on top
Pairs perfectly with herbal tea, cold milk, or a hot mug of black coffee.
π§ Storage & Make-Ahead Tips
Storage
Best enjoyed fresh.
You can refrigerate it for up to 1 day and reheat for 20β30 seconds.
Make-Ahead
Pre-mix the dry ingredients (oats + spices) in a jar.
When youβre ready, just add mashed banana, an egg, and milk for an instant mug cake mix.
π¬ Personal Note
This is one of my favorite quick desserts because it tastes like banana bread but cooks in minutes. Itβs sweet without any added sugar, soft, warm, and comforting β perfect for busy days or late-night cravings.
π½ Nutrition (Per Serving)
- Calories: 240 kcal
- Protein: 7 g
- Fat: 5 g
- Carbs: 42 g
- Fiber: 6 g
- Net Carbs: 36 g
- Sodium: 20 mg
- Sugar: 14 g