Sticky Toffee Pudding

Name: Sticky Toffee Pudding
Ingredients: 2 1/2 cups heavy cream; 1 stick (4 ounces) unsalted butter; 1/2 cup light corn syrup; 1 cup granulated sugar; 6 ounces pitted dates, preferably Medjool (about 7 dates); 3/4 cup water; 3/4 cup plus 2 tablespoons all-purpose flour; 1 teaspoon baking powder; 1/4 teaspoon baking soda; Pinch of salt; 4 tablespoons unsalted butter, softened; 3/4 cup packed light brown sugar; 1 large egg; 1/2 teaspoon pure vanilla extract; Vanilla ice cream or lightly sweetened whipped cream, for serving