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Freshly baked zero-waste banana bread loaf with ripe bananas on wooden board

Zero-Waste Banana Bread

This zero-waste banana bread recipe transforms overripe bananas into a moist, flavorful loaf while minimizing kitchen waste. Packed with wholesome ingredients and no unnecessary packaging, it’s perfect for sustainable baking lovers.

  • Total Time: 1 hour 10 minutes
  • Yield: 8 slices 1x

Ingredients

Scale
  • 3 ripe bananas (mashed)
  • 1 ½ cups whole wheat flour
  • 1 tsp baking soda
  • ½ tsp baking powder
  • ½ tsp salt
  • 1 tsp ground cinnamon
  • ½ cup coconut sugar (or coconut palm sugar)
  • ⅓ cup melted coconut oil (or plant-based butter)
  • 2 tbsp flaxseed meal + 6 tbsp water (flax egg)
  • 1 tsp vanilla extract
  • ½ cup chopped nuts or seeds (optional, use leftover pantry staples)

Instructions

  • Preheat oven to 350°F (175°C). Lightly grease a loaf pan or line with a reusable silicone baking mat.
  • Prepare flax egg: In a small bowl, mix flaxseed meal with water. Let sit for 5 minutes until gelled.
  • In a large bowl, whisk together flour, baking soda, baking powder, salt, and cinnamon.
  • In another bowl, combine mashed bananas, coconut sugar, melted coconut oil, flax egg, and vanilla extract. Stir well.
  • Add wet ingredients to dry ingredients. Fold gently until just combined—avoid overmixing.
  • Fold in nuts or seeds if using.
  • Pour batter into prepared loaf pan. Bake for 50-60 minutes or until a toothpick inserted comes out clean.
  • Let cool in pan for 10 minutes, then transfer to wire rack. Slice and serve.

Notes

  • Overripe bananas are best for sweetness and moisture.
  • Store leftover banana bread in a reusable cloth bag or airtight glass container.
  • Freeze sliced bread wrapped in beeswax or silicone bags for longer storage.
  • Feel free to swap nuts for dried fruit or seeds to reduce waste.
  • Author: Natalie
  • Prep Time: 15 minutes
  • Cook Time: 55 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American
  • Diet: Vegan

Nutrition

  • Serving Size: 1 slice (approx. 1/8 of loaf)
  • Calories: 190 kcal
  • Sugar: 8 g
  • Sodium: 120 mg
  • Fat: 9 g
  • Saturated Fat: 7 g
  • Unsaturated Fat: 2g
  • Trans Fat: 0g
  • Carbohydrates: 26 g
  • Fiber: 3 g
  • Protein: 3 g
  • Cholesterol: 0mg

Keywords: zero waste banana bread, sustainable baking, vegan banana bread recipe, eco-friendly dessert, healthy banana bread, no waste baking, plant-based banana bread