1 c  Sugar

      5 tb Cake Flour

      1 ds Salt

    1/2 c  Orange juice

      3 tb Lemon juice

    1/4 c  Water

      1    Egg; well beaten

      2 ts Orange rind; grated

      2 ts Butter

  Combine sugar, flour, and salt in top of double boiler; add fruit
  juice, water, and egg, mixing thoroughly. Place over boiling water
  and cookr 10 minutes, stirring constantly. Add orange rind and
    butter. Cool. Makes enough filling to spread between
    two 9-inch layers (generously), or between three
    10-inch layers.