These Banana Walnut Crumble muffins make for the ultimate breakfast. They are crunchy and rich and pair perfectly with a freshly brewed cup of coffee. To a wonderful day! Enjoy! Banana Walnut Crumble Muffins Recipe Type: Dessert Author: Chef Eli Prep time: 10 mins Cook time: 35 mins Total time: 45 mins Serves: 12 muffins