Banana Dark Chocolate Chip Muffins - Cajun Sugar Pie

Ingredients

• 3 bananas, mashed
• ⅓ cup unsalted butter, melted
• ¾ cup granulated sugar
• 1 egg
• 1 ½ cups unbleached all-purpose flour
• 1 tsp baking powder
• 1 tsp baking soda
• ½ tsp salt
• 1 tsp cinnamon
• 1 cup dark chocolate chips