These buttery strawberry rhubarb crumble bars combine a rich shortbread crust with a vibrant, tangy fruit filling and a crunchy crumble topping, perfect for spring and summer gatherings.
Use cold butter to achieve a tender, crumbly texture. Avoid over-stirring the fruit filling to keep some texture. If crumble topping browns too quickly, loosely cover with foil halfway through baking. Let bars cool completely before slicing for clean cuts. For gluten-free, substitute flour with a gluten-free blend and adjust butter as needed. Vegan options include using coconut oil or vegan butter and plant-based sugar.
Keywords: strawberry rhubarb bars, crumble bars, shortbread crust, summer dessert, easy dessert, homemade bars, fruit crumble, spring dessert