Preheat the oven to 350°F or 180°C. Line your loaf pan with parchment paper.Mash 3 of the 5 ripe bananas in a large mixing bowl with a fork or potato masher.Add ⅓ cup almond milk, ¼ cup extra virgin olive oil, ¼ cup sugar, and 1 tablespoon vanilla extract, and stir with a spatula until well combined.
Sift in 1 cup all-purpose flour, 1 cup whole wheat flour, 2 teaspoons baking powder, and 1 teaspoons baking soda.Stir until well combined but without overmixing.
Add ⅓ cup dark chocolate chipsand two more bananas into the batter, sliced into bite-size pieces. Stir with the same spatula, then transfer the batter to the prepared loaf pan.
Bake at 350°F or 180°C for 50 minutes, or until a toothpick inserted in the center comes out mostly dry. In some ovens it might take up to 60 minutes of baking time. Let cool down on a cooling rack for at least one hour.
Nutritional information is an estimate for 1 slice of healthy banana bread out of 12 slices.SUBSTITUTIONSWhole wheat flour: Substitute all-purpose flour.Extra virgin olive oil: Substitute regular olive oil, avocado oil, or another vegetable oil. For oil-free, substitute apple puree.Almond milk: Substitute any other milk, including oat milk, soy milk, rice milk, etc.Dark chocolate chips: Substitute walnuts, pecans, or other nuts.Vanilla extract: Substitute the seeds in a vanilla pod.STORAGERoom temperature: Keep at room temperature, wrapped in plastic, for three days.Refrigerator: It lasts about five days in the fridge, wrapped in plastic.Freezer: Let the loaf cool down completely, cut into slices, and put it in a freezer friendly container, each slice separated by a piece of parchment paper. Freeze for up to 3 months.