Pumpkin Pecan Pie French Toast with Butterscotch Syrup

Name: Pumpkin Pecan Pie French Toast with Butterscotch Syrup
Ingredients: 4 eggs; 1/2 cup whole milk; 2 teaspoons pumpkin pie spice; 1/2 cup pumpkin puree; 1 tablespoon granulated sugar; 1 tablespoon packed light brown sugar; 3 cups cornflakes, crushed; 11/2 cups finely chopped pecans; Kosher salt; 8 slices stale Texas toast,; 11/2 inches thick; 2 tablespoons unsalted butter, plus more for frying; 2 tablespoons vegetable oil, plus more for frying; 2 tablespoons unsalted butter; 1/4 cup butterscotch liqueur; 1/4 cup pecan liqueur; 1 cup grade A maple syrup