Lemon Crumb Bars are dessert bars filled with lemon filling and flavor in between two layers of an oatmeal crust. They are one of the BEST lemon desserts I have ever had! Lemon Bars, Lemon Crumble, Lemon Crumb Bars, Best Lemon Desserts, Dessert, Summer Dessert, Spring Dessert, Easy Dessert, Crowd Pleasing Dessert, Crumble Dessert, recipes, baking, i am baker, iambaker