Preheat the oven to 350°F (175°C) and line a loaf pan with parchment paper or grease with butter.
Combine mashed bananas, chopped strawberries, sugar, and vegetable oil in a large mixing bowl. Whisk until well blended, ensuring the mixture is smooth with some fruit pieces visible.
3 pieces ripe bananas
Add eggs one at a time to the wet mixture, whisking after each addition until fully incorporated and the mixture becomes slightly frothy.
3 pieces ripe bananas
In a separate bowl, whisk together flour, baking soda, and salt. Gradually add the dry mixture to the wet ingredients, folding gently with a spatula until just combined. The batter will be thick but moist.
3 pieces ripe bananas
Pour the batter into the prepared loaf pan, spreading evenly with a spatula. Place in the oven and bake for 50 minutes, or until the top is golden brown and a toothpick inserted into the center comes out clean.
Remove the bread from the oven and allow it to cool in the pan for 10 minutes before transferring to a wire rack. Cool completely before slicing to maintain the loaf's structure.