Seeds of 1 vanilla bean
1/4 cup agave nectar
1 cup firmly packed light brown sugar
3/4 cup egg whites
4 large eggs
1 tbsp. vanilla extract
1 cup pumpkin puree
1 cup light brown sugar
1 pound cream cheese at room temperature
1/4 tsp. kosher salt
1/4 tsp. allspice
1/2 tsp. freshly grated nutmeg
1 tsp. ground cinnamon
8 tbsp. unsalted butter melted and cooled slightly
3 tbsp. light brown sugar
1/2 cup ground walnuts
1 1/8 cups all-purpose flour