1 baked pie shell
1 1/4 c. sugar
6 tbsp. cornstarch
2 c. water
1/3 c. lemon juice
3 eggs, separated
3 tbsp. butter
1 1/2 tsp. lemon extract
2 tsp. vinegar

Mix sugar, cornstarch together in top of double boiler. Add the 2 cups water gradually. Combine egg yolks with lemon juice, beat. Add to rest of mixture. Cook over boiling water 25 minutes, stirring occasionally. This does away with starchy taste. Now add lemon extract, butter and vinegar - stir thoroughly. Pour into pie shell and let cool. Cover with meringue and brown in oven.