Name: Double Nut Maple Squares
Yield: 16
Ingredients: For crust; 1-1/4 cups unbleached all-purpose flour; 1/3 cup sugar; Pinch of salt; 6 tbsp (3/4 stick) chilled unsalted butter, cut into pieces; 1 large egg yolk; 1 tbsp whole milk; For filling; 1/3 cup pure maple syrup; 1/3 cup (packed) golden brown sugar; 1/4 cup whipping cream; 2 tbsp unsalted butter; 3/4 cup pecans, toasted, coarsely chopped; 3/4 cup walnuts, toasted, coarsely chopped; 1/2 tsp vanilla extract