3 tbsp. butter, melted
1/8 tsp. low sodium salt
1/4 c. sugar substitute
2 tsp. grated lemon rind
1 tbsp. flour
3 1/2 c. skim milk
1/2 c. lemon juice

Melt butter in pan. Blend in flour and salt. Add half the skim milk, stirring steadily to the boiling point. Mix in sugar, then cook on low heat 5-10 minutes. Remove from heat and stir in remaining milk. Turn into a glass oblong dish and freeze until sides set.

Turn into a bowl; add the lemon juice and rind. Beat until frothy. Return to dish and freeze until set. Only 120 calories per serving. NOTE: When enjoying this, think you are eating your favorite ice cream without all of that fat!