1 lb. fresh baking yeast, at room temperature
8 tbsp. Postum
4 tsp. salt
2 tsp. celery salt
1/2 tsp. onion salt
3 tbsp. brewer's yeast, if desired

Stir first 3 ingredients until creamy. Place in double boiler and add remaining three ingredients. Cook until thick, about 20 minutes. Stir frequently while cooking. When thick, add 1/2 cup oil. Mix thoroughly and pour in covered jar; refrigerate.