Preheat and Prepare Pan:
Heat oven to 325°F (165°C). Butter a 9x5-inch loaf pan and line with parchment.Mix Dry Ingredients:
In a bowl, combine flour, baking soda, and salt with a whisk; set aside.Cream Butter and Sugars:
In another bowl, beat melted butter and sugars together until a paste forms, about 1-2 minutes with vigorous whisking or an electric mixer using paddle attachment.Combine Wet Ingredients:
Add mashed bananas, then eggs, yogurt, and vanilla; stir until blended.Fold in Dry and Chips:
Gently fold dry ingredients into wet mixture just until combined. Fold in chocolate chips.Transfer Batter to Pan:
Transfer batter to prepared pan, smoothing the top. Sprinkle extra chips if desired.Bake and Cool Loaf:
Bake for 1 hour to 1 hour 15 minutes, until a toothpick inserted yields a few moist crumbs. Cool fully in pan on a wire rack before unmolding. Keep in an airtight container at room temperature.