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      1 c  Butter, softened

      1 c  Brown sugar, firmly packed

    2/3 c  Sugar

      2 ts Vanilla

    1/2 ts Salt

      4    Eggs

      2 c  Flour, all-purpose

      1 pk Chocolate chips, "Little

           -Bits" semi-sweet,
           -divided 12oz pack
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    3/4 c  Butter, softened

  1 1/2 c  Sifted confectioners' sugar

      2 ts Vanilla

  Cake: Preheat oven to 350~F. Grease 15 1/2 x 10 1/2 x 1" baking pan.
  Line with waxed paper. In bowl, cream butter, brown sugar, sugar,
  vanilla and salt. Add eggs, one at a time, beating well after each
  addition. Gradually add flour. Stir in 1 cup chocolate bits. Spread
  in prepared pan. bake 20-25 minutes. Cool completely. Loosen sides of
  cake. Invert onto floured cloth. Peel off waxed paper. Cut cake
  crosswise into 4 3-3/4x10" sections. Spread 3 slightly rounded
  tablespoons frosting on one layer. Top with second layer. Repeat
  layers. Frost with remaining frosting. Frosting: Melt over hot (not
  boiling) water, 1 cup semi-sweet chocolate bits, stir until smooth.
  Set aside. In bowl, cream butter and confectioners' sugar. Add melted
  chocolate and vanilla; blend until smooth. Makes 1-10" cake.