Drain pineapple, reserving syrup. Combine ¼ c. sugar, salt, gelatin, ¾ c. pineapple syrup and slightly beaten egg yolks. Cook over low heat, stirring constantly, until mixture thickens slightly and coats metal spoon. Remove from heat.
Press cottage cheese through sieve. Stir cheese, pineapple, lemon peel and juice into gelatin mixture.