Ingredients

  • 23 cup macadamia nuts
  • 1 cup flour, all-purpose
  • 2 tablespoons flour, all-purpose
  • 3/4 teaspoon baking powder
  • 1/4 teaspoon salt
  • 1/4 cup butter, unsalted
  • 1/2 cup sugar
  • 2 tablespoons water
  • 9 ounces white chocolate
  • 2 large eggs
  • 1 teaspoon vanilla extract

Method

  • Preheat oven to 325F (160C).
  • If macadamia nuts are salted, blanch in boiling water to cover for 30 seconds to remove salt.
  • Rinse under cold running water and transfer to a baking sheet.
  • Toast in a 325F (160C) oven until golden brown.
  • Let cool, then coarsely chop.
  • If nuts are unsalted, just toast and chop.
  • Combine flour, baking powder, and salt.
  • Set aside.
  • Place butter, sugar, and water in a medium saucepan over low heat.
  • Cut 6 ounces of the white chocolate into large (1- or 2-inch) chunks and the remaining 3 ounces into small ( 1/4 inch to 1/2-inch) chips.
  • When butter has melted, remove from heat, add the 6 ounces white chocolate chunks and stir until melts.
  • Beat in eggs and vanilla.
  • Stir in flour mixture until just blended.
  • Stir in the 3 ounces of white chocolate chips and the nuts.
  • Spread batter in a greased 8- or 9-inch square baking pan.
  • Bake 30 to 35 minutes, or until a toothpick inserted in center comes out clean.
  • Cool on a wire rack, then cut into squares.
  • Line an 8- or 9-inch square pan with heavy-duty foil.
  • Spoon batter into pan.
  • Freeze batter, uncovered, until frozen solid.
  • Remove from pan and wrap tightly.
  • Label and date package.
  • Freeze at 0 degrees F up to 4 weeks.
  • To bake, peel foil from batter and place in greased pan.
  • Bake in a preheated 375F (190C) F oven until skewer inserted in center comes out clean (40 to 50 minutes).
  • Microwave Version: Chocolate may be melted in a microwave oven.
  • Place butter and chocolate in a small glass bowl.
  • Microwave on 50% power for 1 minute, stir, then continue microwaving 1 to 3 minutes more.
  • Stir until smooth.
  • Do not overheat or chocolate will scorch around edges and won't blend smoothly.
  • Stir in sugar and water and continue with rest of directions.