Preparation

• Preheat the oven to 350°F (175°C).
• In a mixing bowl, combine the flour, cornstarch, baking soda, baking powder, and salt.
• In another bowl, cream together the unsalted butter, dark brown sugar, and granulated sugar until light and fluffy.
• Add the vanilla extract, egg, and egg yolk to the butter mixture and mix until combined.
• Gradually add the flour mixture to the wet ingredients and mix until just combined.
• In a saucepan, melt the unsalted butter for the filling, then stir in brown sugar, maple syrup, heavy cream, cinnamon, cloves, nutmeg, and salt until smooth.
• Fold in the chopped pecans to the filling mixture.
• Scoop cookie dough onto a baking sheet, creating a small well in the center of each. Fill with pecan pie filling.
• Bake for 15-20 minutes or until golden brown.
• Allow to cool slightly before finishing with flaky sea salt.