Blender Peanut Butter Chocolate Chip Banana Muffins

Bahan-bahan (16 porsi)

• 4 medium overly ripe bananas, mashed ((about 1 1/4 cup mashed))
• 1/2 cup creamy peanut butter
• 2 tablespoons melted coconut oil
• 1/4 cup pure maple syrup
• 2 eggs
• 1 tablespoon vanilla extract
• 1 1/2 cups whole wheat pastry flour ((or all-purpose flour))
• 1 1/2 teaspoons baking soda
• 1/2 teaspoon kosher salt
• 1 cup semi-sweet or dark chocolate chips
• peanut butter, for serving