Banana Walnut Oat Muffins
Banana walnut oat muffins turn ripe bananas, hearty oats, and crunchy walnuts into tender muffins that taste warm, cozy, and homemade.
These muffins use simple pantry ingredients and no refined sugar. Ripe bananas bring natural sweetness, oats add fiber, yogurt keeps the crumb moist, and walnuts give each bite a toasty crunch.
Why You’ll Love This Recipe
- Soft and hearty texture: Rolled oats make the muffins satisfying without feeling heavy.
- Naturally sweet flavor: Very ripe bananas add sweetness and a rich banana aroma.
- Simple from scratch baking: You only need one mixing bowl and basic ingredients.
- Great for busy mornings: Bake once, then enjoy grab and go breakfasts for several days.
Budget & Health Tip: Use bananas with lots of brown spots. They taste sweeter, mash easier, and often cost less at the store. If walnuts are pricey, use half the amount and chop them finely so every muffin still gets crunch.
Ingredients (Serves 4)
This recipe makes 12 muffins. Plan on 3 muffins per serving.
- 1 1/2 cups rolled oats (135 g)
- 1 cup whole wheat flour (120 g)
- 3 large very ripe bananas, mashed (about 360 g peeled)
- 2 large eggs (about 100 g)
- 1 cup low fat yogurt (245 g)
- 1 1/2 teaspoons ground cinnamon (4 g)
- 2 teaspoons baking powder (8 g)
- 3/4 cup chopped walnuts (85 g)
Step-by-Step Instructions
1. Heat the Oven
Set the oven to 375°F (190°C). Line a 12 cup muffin tin with paper liners. Let the oven fully heat so the muffins rise quickly and bake with rounded tops.
2. Mash the Bananas
Peel the bananas and place them in a large bowl. Mash them until they look glossy and mostly smooth, with a few soft lumps left for texture. The sweeter the banana smell, the better the muffins will taste.
3. Mix the Wet Ingredients
Add the eggs and low fat yogurt to the mashed bananas. Whisk until the mixture looks creamy and pale yellow. It should smell tangy, sweet, and lightly fruity.
4. Stir in the Dry Ingredients
Add the rolled oats, whole wheat flour, cinnamon, and baking powder. Stir gently until you no longer see dry flour. The batter will thicken as the oats soak up moisture, so stop mixing as soon as everything comes together.
5. Fold in the Walnuts
Add the chopped walnuts and fold them in with a spatula. Scrape the bottom of the bowl so the crunchy bits spread evenly through the batter.
6. Fill and Bake
Spoon the batter evenly into the muffin cups, filling each one almost to the top. Bake for 18 to 22 minutes, until the tops look set, the edges turn golden brown, and your kitchen smells like warm cinnamon and toasted walnuts. A toothpick inserted in the center should come out clean or with a few moist crumbs.
7. Cool Before Serving
Let the muffins rest in the pan for 5 minutes. Move them to a cooling rack and wait until they feel warm, not hot. This short rest helps the oat crumb set so the muffins stay tender instead of gummy.
Expert Troubleshooting & FAQs
Why did my muffins turn out dense?
Dense muffins usually come from overmixing. Stir the batter only until the flour disappears. Whole wheat flour and oats firm up quickly, so a gentle hand keeps the crumb soft.
Can I use quick oats instead of rolled oats?
Yes, but the texture will be softer and less chewy. Rolled oats give the muffins a heartier bite. If you use quick oats, check the muffins a little early because they may bake faster.
How ripe should the bananas be?
Use bananas with brown spots or mostly brown skins. They mash easily and add the most natural sweetness. Firm yellow bananas will make the muffins taste less sweet and less fragrant.
Can I make these without walnuts?
Yes. Leave the walnuts out if you need a nut free option. The muffins will still be tender, but they will have less crunch and slightly less richness.
How should I store banana walnut oat muffins?
Store cooled muffins in an airtight container at room temperature for 2 days or in the fridge for up to 5 days. For longer storage, freeze them for up to 2 months. Warm frozen muffins in the microwave until soft and fragrant.
Estimated Nutritional Facts
These numbers are rough estimates per serving, based on 4 servings total.
- Calories: 520
- Protein: 19 g
- Carbs: 69 g
- Fats: 20 g
Banana Walnut Oat Muffins
Ingredients
- 1 1/2 cups rolled oats (135 g)
- 1 cup whole wheat flour (120 g)
- 3 large very ripe bananas, mashed (about 360 g peeled)
- 2 large eggs (about 100 g)
- 1 cup low fat yogurt (245 g)
- 1 1/2 teaspoons ground cinnamon (4 g)
- 2 teaspoons baking powder (8 g)
- 3/4 cup chopped walnuts (85 g)
Instructions
- 1. Heat the Oven. Set the oven to 375°F (190°C). Line a 12 cup muffin tin with paper liners. Let the oven fully heat so the muffins rise quickly and bake with rounded tops.
- 2. Mash the Bananas. Peel the bananas and place them in a large bowl. Mash them until they look glossy and mostly smooth, with a few soft lumps left for texture. The sweeter the banana smell, the better the muffins will taste.
- 3. Mix the Wet Ingredients. Add the eggs and low fat yogurt to the mashed bananas. Whisk until the mixture looks creamy and pale yellow. It should smell tangy, sweet, and lightly fruity.
- 4. Stir in the Dry Ingredients. Add the rolled oats, whole wheat flour, cinnamon, and baking powder. Stir gently until you no longer see dry flour. The batter will thicken as the oats soak up moisture, so stop mixing as soon as everything comes together.
- 5. Fold in the Walnuts. Add the chopped walnuts and fold them in with a spatula. Scrape the bottom of the bowl so the crunchy bits spread evenly through the batter.
- 6. Fill and Bake. Spoon the batter evenly into the muffin cups, filling each one almost to the top. Bake for 18 to 22 minutes, until the tops look set, the edges turn golden brown, and your kitchen smells like warm cinnamon and toasted walnuts. A toothpick inserted in the center should come out clean or with a few moist crumbs.
- 7. Cool Before Serving. Let the muffins rest in the pan for 5 minutes. Move them to a cooling rack and wait until they feel warm, not hot. This short rest helps the oat crumb set so the muffins stay tender instead of gummy.
