Ingredients
1/2 cup plus 2 tablespoons unsalted butter, softened, divided 1 cup sugar2 large eggs, room temperature1 teaspoon vanilla extract2 cups all-purpose flour1 teaspoon baking soda1 teaspoon baking powder1/2 teaspoon salt1 cup sour cream1 medium apple, peeled and finely chopped1 medium pear, peeled and finely chopped 1 cup packed brown sugar1 teaspoon ground cinnamon1/2 cup chopped walnuts or pecans
Preparation
Preheat oven to 350°. Grease a 13x9-in. baking pan. In a large bowl, cream 1/2 cup butter and the sugar until light and fluffy, 5-7 minutes. Add eggs, 1 at a time, beating well after each addition. Beat in vanilla. In another bowl, whisk flour, baking soda, baking powder and salt; add to creamed mixture alternately with sour cream, beating well after each addition. Fold in apple and pear. Transfer to prepared pan.
For topping, combine brown sugar, remaining 2 tablespoons butter and the cinnamon in a small bowl; mix with a fork until crumbly. Stir in nuts. Sprinkle over batter. Bake until a toothpick inserted in center comes out clean, 30-35 minutes. Cool slightly in pan on a wire rack.
