Ingredients

• ¹/₄ cup butter, melted
  
• ¹/₂ cup white sugar
  
• 1 egg
  
• ¹/₂ teaspoon vanilla extract
  
• ³/₄ cup all purpose flour
  
• ¹/₂ teaspoon baking soda
  
• ¹/₄ teaspoon salt
  
• ¹/₃ cup semi-sweet chocolate morsels
  
• 2 bananas, mashed well