# Brown Butter Banana Walnut Loaf with Cinnamon
A moist, perfectly sized banana quick bread featuring nutty brown butter and crunchy walnuts, easily baked in an air fryer or oven.
- Servings: 4
- Time: 45 minutes
- Difficulty: Easy
- Confidence: high
- Equipment: Air fryer, Grill, Microwave, No-cook, Oven, Pressure cooker, Stovetop
- Generated for: brown butter banana walnut loaf with cinnamon
- HTML: https://recipeasy.me/recipe/brown-butter-banana-walnut-loaf-with-cinnamon-fa713bc7
- Published: 2026-07-29T08:57:36.239Z
## Prep notes
- Preheat air fryer or oven to 160°C / 320°F.
- Grease a small 1-lb loaf pan or equivalent small loaf-safe baking dish.
- Ensure all ingredients are ready and measured before mixing to prevent overmixing.

## Ingredients
- 60 g unsalted butter (melted and browned)
- 200 g very ripe medium bananas (peeled and thoroughly mashed)
- 100 g granulated sugar
- 50 g large egg (beaten)
- 5 ml vanilla extract
- 140 g all-purpose flour
- 3 g baking soda
- 3 g ground cinnamon
- 2 g salt
- 50 g chopped walnuts

## Method
1. **Brown Butter**
  - **Brown butter:** Melt butter in a saucepan over medium heat, swirling until it foams, turns golden brown, and develops a nutty aroma. Remove from heat immediately. · 3-5 minutes · Look for: Deep golden color and nutty aroma

2. **Wet Base**
  - **Mash bananas:** Mash the ripe bananas thoroughly in a medium mixing bowl. · Look for: Smooth with small rustic lumps
  - **Whisk wet mix:** Whisk the brown butter, granulated sugar, beaten egg, and vanilla extract into the mashed bananas until fully combined. · Look for: Uniform liquid batter

3. **Dry Mix**
  - **Whisk dry:** In a separate bowl, whisk together the all-purpose flour, baking soda, ground cinnamon, and salt.

4. **Combine & Bake**
  - **Fold batter:** Gently fold the dry ingredients and chopped walnuts into the wet mixture just until combined, avoiding overmixing. · Look for: No dry flour pockets visible

## Why it works
Browning the butter removes its water content and toasts milk solids for deep flavor, while a balanced ratio of ripe bananas and minimal mixing ensures a tender, moist crumb without toughness.

## Failure modes
- Overmixing the batter develops excess gluten, resulting in a tough, rubbery loaf; mix only until the flour disappears.
- Premature top burning in the air fryer can be prevented by tenting the pan with a small piece of aluminum foil partway through cooking.

## Sources
- [Air Fryer Banana Bread](https://www.loveandotherspices.com/air-fryer-banana-bread/) — Useful for banana-bread ratio, cinnamon/walnut inclusion, foil-tenting, and 325°F then lower-temp finish.
- [Air Fryer Banana Bread](https://www.supergoldenbakes.com/air-fryer-banana-bread/) — Helpful ratio benchmark for bananas, flour, eggs, sugar, cinnamon, and baking powder in a loaf-style quick bread.
- [Air Fryer Banana Bread - The Country Cook](https://www.thecountrycook.net/air-fryer-banana-bread/) — Shows small-loaf air fryer technique, preheat temperature, 20–25 minute bake window, and toothpick doneness cue.
- [Really Easy Air Fryer Banana Bread (Mini Loaf!) - Scrummy Lane](https://scrummylane.com/really-easy-mini-banana-bread-recipe-oven-air-fryer/) — Provides oven/air-fryer shared bake range, minimal-mix instruction, and note that slight stickiness can still be acceptable.
- [Air Fryer Banana Bread](https://www.airfryertime.com/air-fryer-banana-bread) — Supplies a higher-signal doneness target with internal temperature around 94–96°C/202–206°F and butter-sugar creaming method.
- [Banana Bread in the Air Fryer: How to Bake a Proper Loaf in a 1lb Tin](https://wrenbury.co.uk/blog/banana-bread-in-the-air-fryer-how-to-bake-a-proper-loaf-in-a-1lb-tin/) — Gives a compact loaf ratio, 160°C bake, tenting guidance, and clear doneness/texture cues for a proper loaf tin.

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