Catsup by John Spottiswood.

ketchup = catsup = (in Australia) tomato sauce To make your own: 1 C tomato sauce + ½ C sugar + 2 T vinegar OR 1 C tomato sauce + ¼ C sugar + ¼ C vinegar + 1 teaspoon salt + ¼ teaspoon ground cloves (Adapted from a recipe in Substituting Ingredients by Becky Sue Epstein and Hilary Dole Klein. See my sources.) OR banana catsup (available in Asian food stores) See also a more elaborate Fresh Tomato Ketchup recipe posting on RecipeSource.com.