These rhubarb bars feature a soft, buttery crust cradling a vibrant, sweet-tart filling, making them a perfect treat for springtime gatherings and summer picnics.
Preheat your oven to 350°F (175°C). Grease or line a 9x13-inch baking pan with parchment paper.
In a mixing bowl, cream the softened butter with granulated and brown sugars until light and fluffy, about 3-5 minutes.
Add the eggs one at a time, beating well after each addition. Stir in the vanilla extract.
In a separate bowl, combine the flour, baking powder, and salt. Gradually add to the wet ingredients, stirring until just combined.
Gently fold in the chopped rhubarb.
Pour the batter into the prepared pan and spread it evenly.
Bake for 35-40 minutes or until the top is lightly golden and a toothpick inserted comes out clean.
Allow the bars to cool completely in the pan before slicing.
Notes
Chill your butter for a flaky texture. Use fresh rhubarb for the best flavor. Allow bars to cool completely for neat squares. Store leftovers in an airtight container.