Banana Chocolate Chip Bread

Name: Banana Chocolate Chip Bread
Ingredients: 4 ripe bananas; 85 grams unsalted butter, melted and cooled; 90 grams (1/3 cup) plain Greek yogurt; 220 grams brown sugar (light or dark or a combination); 2 eggs; 2 teaspoons vanilla extract; 180 grams all-purpose flour; 75 grams whole wheat flour; 1 1/2 teaspoon baking soda; 1/2 teaspoon kosher salt; 135 grams mini chocolate chips or finely chopped chocolate (semisweet or bittersweet); 130 grams walnuts, toasted and coarsely chopped; Turbinado sugar (or any coarse sugar) for finishing