Chocolate Banana Bread

Ingredients

• 1 1/4 cups all-purpose flour spooned into measuring cup and leveled off with knife
• 1/4 cup unsweetened cocoa powder natural, not Dutch-processed, such as Hershey's
• 1 teaspoon baking soda
• 1 teaspoon salt
• 1/2 cup unsalted butter room temperature
• 1 cup granulated sugar
• 2 large eggs
• 1 cup bananas mashed very ripe, from 2-3 brown bananas
• 1/2 cup sour cream
• 1 teaspoon vanilla
• 1/2 cup semi sweet chocolate chips best quality, such as Guittard or Ghiradelli