Powdered sugar Heat oven to 350 degrees. Grease 13 x 9-inch pan. In large bowl, combine brown sugar, margarine, preserves, vanilla, and eggs; blend well. Lightly spoon flour into measuring cup; level off. By hand, stir in remaining ingredients except powdered sugar; mix just until blended. Pour into prepared pan. Bake at 350 degrees for 30-40 minutes or until toothpick inserted in center comes out clean. Cool completely; sprinkle with powdered sugar. Cut into bars. Makes 36 bars. 2 bars = 228 calories, 8 g fat. SOURCE: Cookies, Cookies, and more Cookies cookbook. Shared and MM by Judi M. Phelps