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Sliced banana bread topped with walnuts.

BreakfastSnackOvenEasy

Protein banana bread

Banana bread is a banana loaf cake. This one is made with oat flour, chocolate protein and walnuts, and it comes out moist with a gentle chocolate flavour. It needs to cool before slicing.

Go to ingredients See the steps
  1. Mix
  2. Bake
  3. Cool
  4. Cut
  • Prep15 min
  • Cooking50 min
  • Waiting1 hto cool
  • Total2 h 5 min
  • Makes8 slices · 8 servings
  • DifficultyEasy
  • Oven165 °C conventional150 °C fan

Before you start

  • Heat the oven to 165 °C conventional (150 °C fan).
  • Line the tin with baking paper.
  • Melt the coconut oil and take the egg out of the fridge.

Step by step

  1. Mash the banana

    In the bowl, mash the banana with the fork into a purée.

    It’s right if… A purée with few lumps.

  2. Mix the wet ingredients

    Add the yogurt, sugar, vanilla, oil and egg, and mix well.

    It’s right if… An even mixture.

  3. Add the dry ingredients

    Add the oat flour, protein, bicarbonate of soda and cinnamon. Mix just until no powder is visible, then add half the walnuts.

    It’s right if… A thick batter that drops off the spatula in dollops.

  4. Fill the tin

    Pour the batter into the tin, smooth it and scatter the rest of the walnuts on top.

  5. Bake

    Bake on the middle shelf for 45-50 minutes.

    It’s right if… A cocktail stick pushed into the centre comes out clean and the top is golden and firm.

    If it goes wrong… If the top browns too much before it is done, cover it with foil for the last 10 minutes.

  6. Cool

    Leave it in the tin for 10 minutes, lift it out with the paper and let it cool completely, about 50 more minutes.

    It’s right if… Cold to the touch underneath too. If you slice it warm, the crumb turns heavy.

  7. Slice

    Cut it into 8 slices with a serrated knife.

How to tell it’s going well

  • Before baking: thick batter that drops in dollops.
  • When done: clean stick and golden, firm top.
  • When sliced, once cool: moist, close crumb.

If this happens…

The centre is raw
Bake for 5 more minutes and test again. A narrower, deeper tin needs longer.
It is dry
Use very ripe bananas, weighed without the skin, and do not overbake.
It sinks in the middle
Do not open the oven in the first 30 minutes.

How to store it

  • In the fridge, wrapped or in a sealed container, for up to 5 days.
  • It freezes for up to 3 months in wrapped slices. From freezer to microwave: 30-45 seconds.

Approximate nutrition

Per serving (8 slices · 8 servings). Excluding optional ingredients.

Energy
275 kcal
Protein
11 g
Carbohydrate
33 g
Fat
12 g

Calculated by Nutri Gains from the Gourmet Isolate Protein label and the USDA food database (FoodData Central). These are guide values: they vary with the brands you use.

Allergens

Contains: gluten (oats or wheat), egg, milk, soya, tree nuts. Check the label of each ingredient: traces vary by brand.

Make this recipe with…

Gourmet Isolate Protein · chocolate flavour · 1 kg

60 g in this recipe · €48.90

See the protein

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Recipes adapted by Nutri Gains to our protein from published recipes. The quantities have been checked, but every oven, microwave and ingredient brand is different: go by the cues in each step.

Recipe from nutrigains.es: https://nutrigains.es/es/recetas/banana-bread-proteico/