These Rhubarb Shortbread Bars feature a rich, buttery crust layered with tart rhubarb filling and topped with a golden crumble. The contrast between the crumbly shortbread and juicy fruit makes every bite irresistible. Ideal for springtime baking, brunch tables, or just a nostalgic afternoon snack, this easy rhubarb dessert recipe is a must-try for anyone who loves bold fruit flavors and melt-in-your-mouth textures.