Walnut-Chocolate Slab Pie Recipe

Ingredients

• 1 ½ cups all-purpose flour
• 2 Tbsp. granulated sugar
• 1 tsp. table salt, divided
• 6 Tbsp. cold unsalted butter, cubed
• 4 Tbsp. cold shortening, cubed
• ¼ cup ice water
• 2 Tbsp. chilled bourbon
• 3 eggs
• 1 cup packed dark brown sugar
• ½ cup each light corn syrup and pure maple syrup
• 4 Tbsp. unsalted butter, melted
• 2 Tbsp. bourbon
• 1 Tbsp. pure vanilla extract
• ¾ cup each semisweet chocolate chips and chopped walnuts, toasted