Citrus Sherbet - cooking recipe

Ingredients

3 citrus fruits (2 lemons and 1 lime or 1 lemon, 1 lime and 1 orange) rind (zest) and juice
1 1/3 c. sugar
1 qt. skim milk

Preparation

Grate rind and squeeze juice.
Mix sugar into it and then add skim milk.
Freeze in a 9 x 13-inch pan until crystallized (2 to 3 hours).
Mix with a beater.
Put in Tupperware bowl for 2 to 3 hours.
Serve.
(If you use more than one lime, be sure to add more sugar.)