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Lime and Raspberry Squares with Pistachio-Graham Crust

These lime and raspberry squares feature a buttery, nutty pistachio-graham cracker crust topped with a tart lime filling and a sweet raspberry jam layer. Perfect for spring and summer gatherings, they balance bright citrus with rich, sweet flavors.
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Servings: 16 squares
Course: Dessert
Cuisine: American
Ingredients Method Notes

Ingredients
  

For the crust
  • 4 tablespoons 1/2 stick unsalted butter, melted and cooled, plus more for pan
  • 2/3 cup shelled unsalted pistachios
  • 1 cup 4 ounces graham-cracker crumbs
  • 1/4 cup sugar
  • 1 tablespoons grated lime zest
For the filling
  • 2 large egg yolks
  • 1 can 14 ounces sweetened condensed milk
  • 1/2 cup fresh lime juice
  • 1/2 cup raspberry jam or preserves

Method
 

Make the crust
  1. Preheat oven to 350 degrees. Brush an 8-inch square baking dish with melted butter. Line bottom with parchment paper, leaving a 2-inch overhang on two sides.
  2. In a food processor, finely grind pistachios with graham-cracker crumbs, sugar, and lime zest. Blend in butter.
  3. Press mixture into bottom and 1-inch up sides of prepared pan. Bake until lightly browned, 8 to 12 minutes. Cool crust for 30 minutes.
Assemble and bake
  1. In a large bowl, whisk together egg yolks and condensed milk. Add lime juice; whisk until smooth.
  2. Spread raspberry preserves/jam evenly into cooled crust. Put in freezer for about 10 minutes, just long enough to set.
  3. After raspberry layer has set, pour lime filling on top; carefully spread to edges. Bake until set, about 15 minutes. Cool in pan on rack; then chill at least 1 hour before serving.
  4. Using parchment paper overhang, lift out of pan, and transfer to a cutting board. With a serrated knife, cut into 16 squares, wiping knife with a damp kitchen towel between each cut.

Notes

Lining the pan: cut parchment 8 inches wide and at least 12 inches long. Place parchment in buttered pan (butter will hold paper in place) so it hangs over the sides. This will help you lift the bars out easily.