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Buttermilk Lime Shortbread Bars

Yield: 16 Bars (9X9-inch pan)
Prep Time: 15 minutes
Cook Time: 40 minutes
Total Time: 55 minutes

Ingredients

Crust:

  • 1 ½ cups (213 g) all-purpose flour
  • ⅓ cup (71 g) granulated sugar
  • ¼ teaspoon salt
  • 1 teaspoon vanilla extract
  • ½ cup (113 g) cold butter, cut into 8 pieces

Filling:

  • 4 large eggs
  • 1 ⅓ cups (283 g) granulated sugar
  • ½ cup buttermilk
  • ½ cup lime juice, freshly squeezed
  • 1 tablespoon lime zest
  • 1 teaspoon vanilla extract
  • Powdered sugar for dusting

Instructions 

  • Preheat the oven to 350 degrees F.
  • For the crust, in a medium bowl, combine the flour, sugar, salt and vanilla extract. Sprinkle the butter pieces over the top of the dry mixture and using a pastry blender, two knives or your fingers, cut the butter into the dry mixture until it resembles coarse crumbs.
  • Pour the mixture into the bottom of a 9X9-inch pan and press the crust firmly to form an even layer. B
  • Bake the crust for 16-17 minutes, until lightly browned around the edges.
  • While the crust is baking, prepare the filling by whisking together all of the filling ingredients in a large bowl until evenly combined.
  • Pour the filling mixture over the hot crust when it comes out of the oven and return it to the oven to bake for 18-20 more minutes, until the filling is set (it will not jiggle if the pan is shaken slightly).
  • Cool the bars in the pan completely before dusting with powdered sugar, slicing and serving. These bars also taste excellent after they have been chilled.

Notes

Buttermilk: here is a guide to making your own buttermilk.