Sticky Figgy Pudding and Walnut Toffee Sauce Recipe

Name: Sticky Figgy Pudding and Walnut Toffee Sauce Recipe
Ingredients: 15 pitted Medjool dates, about 2 cups; 8 dried figs, about 1 ½ cups; 1 cup water; 3 teaspoons vanilla bean paste; 2 tablespoons espresso; 3 ½ sticks unsalted butter, divided, room temperature; 1 ½ cups granulated sugar; 4 large eggs, room temperature; 2 ½ cups all-purpose flour; 1 teaspoon baking powder; 1 teaspoon salt; 2 ¼ cups dark brown sugar; 1 ¼ cups heavy cream; 2 teaspoons lemon juice; 1 ½ cups walnuts, toasted and chopped