Dark Chocolate Guinness Banana Muffins

Ingredients

• 1/2 cup pure maple syrup
• 1/2 cup coconut oil
• 2 eggs, room temperature
• 1/2 cup Guinness beer (Draught or Extra Stout)
• 2 medium ripe bananas, mashed
• 1 cup whole wheat flour
• 2/3 cup all purpose flour
• 1/4 cup Hersheys' Special Dark Cocoa
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 3/4 cup rolled oats
• 1/2 cup mini chocolate chips
• 1/2 cup (1 stick ) unsalted butter, softened
• 1 tablespoon milk
• 2 tablespoons Baileys Irish Cream
• 2 tablespoons powdered sugar