Banana Strawberry Muffins

Details

Ingredients

• cooking spray
• ½ cup white sugar
• ¼ cup unsalted butter
• 2 small ripe bananas, mashed
• 1 egg
• ½ teaspoon vanilla extract
• 1 cup all-purpose flour
• 1 teaspoon baking powder
• ¼ teaspoon baking soda
• ¼ teaspoon salt
• 5 small strawberries, chopped