Crispy Date Bars

1. In small mixing bowl, combine flour, brown sugar and 1/2 cup margarine, mixing until crumbly. Press into ungreased 9 x 9 x 2-inch baking pan. 2. Bake at 375° F about 10 minutes or until golden brown. Set aside. 3. In 2-quart saucepan, combine dates, granulated sugar and 1/2 cup margarine. Cook over medium heat until mixture boils. Simmer 3 minutes, stirring frequently. Blend about 1/4 cup hot mixture into beaten egg. Return egg mixture to saucepan, stirring constantly. Cook just until mixture bubbles. Remove from heat. Stir in KELLOGG'S® RICE KRISPIES® cereal, nuts and vanilla. Spread over baked crust. Cool completely. 4. In medium mixing bowl combine powdered sugar, vanilla and cream cheese, beating until smooth. Add 2 to 3 teaspoons milk, if desired. Spread over filling. Store in refrigerator. Yield: 24 bars