3 walnut cake sauteed Recipes

unbleached all-purpose flour, baking powder, salt, unsalted butter, at room temperature , cut into pieces, sugar, eggs, at room temperature, separated, milk, chopped walnuts, pure vanilla extract, unsalted butter, bosc pears, cored, peeled and cut into 1/4-inch pieces, brown sugar, ground cinnamon, ground nutmeg, fresh lemon juice, heavy cream, sugar, ground cinnamon

unbleached flour, baking powder, salt, unsalted butter, room temperature , cut into pieces, plus, unsalted butter (divided ), granulated sugar (divided ), granulated sugar (divided ), eggs, room temperature, separated, milk, chopped walnuts, pure vanilla extract, bosc pears, cored, peeled and cut into 1/4 in. slices (about 4 large or 6 small), brown sugar, ground cinnamon (divided ), ground nutmeg, fresh lemon juice, whipping cream