1 thinly sliced onion
2 stalks diced celery
1 1/4 c chicken broth (or condensed beef consomme)
1 1/4 c. water
1/4 tsp. Gravy Master
1 tbsp. cornstarch

Combine onion, celery, broth and water in a medium saucepan; cover and boil gently over low heat until onion is transparent. Strain. Reserve vegetables for later use. Return broth to pan. Use a little water, Gravy Master and cornstarch to make smooth paste. Stir slowly into broth and heat to boiling.