Sour Cream Apple Squares
["2 c. unsifted all-purpose flour", "2 c. firmly packed brown sugar", "1/2 c. butter or margarine, softened", "1 c. chopped nuts", "1 tsp. baking soda", "1 to 2 tsp. cinnamon", "1/2 tsp. iodized salt", "1 c. (1/2 pt.) sour cream", "1 egg", "1 tsp. vanilla", "2 c. (3 medium) peeled, finely chopped apples"]
["Preheat oven to 350\u00b0.", "In a large mixer bowl, combine flour, brown sugar and butter.", "Blend on lowest speed of mixer.", "Stir in nuts.", "Measure 2 3/4 cups of dry mixture into an ungreased 9 x 13-inch pan; spread evenly.", "To remaining mixture in bowl, add baking soda, cinnamon and salt and blend thoroughly.", "Add sour cream, egg and vanilla; blend well.", "Stir in apples.", "Spoon onto crumb mixture, then spread gently.", "Bake in preheated oven for 1 hour until toothpick inserted in center comes out clean.", "Cut in squares.", "Serve with whipped cream, if desired.", "Yields 12 to 15 squares."]
["flour", "brown sugar", "butter", "nuts", "baking soda", "cinnamon", "iodized salt", "sour cream", "egg", "vanilla", "apples"]