Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: drain pineapple, reserving juice from pineapple. in a medium saucepan, combine sugar, can of tomatoes, onion, soy sauce, ginger and pineapple; simmer for 20 minutes. in a small bowl, combine cornstarch and reserved pineapple juice; stir till smooth. add to the cooked pineapple mixture when mixture is done cooking. bring to a boil and cook for about 2 minutes or till slightly thickened,remove from heat and cool. refrigerate till cold.

Target recipe: in a small saucepan, combine the 1 cup pineapple juice, vinegar, soy sauce, sugar and ketchup. stir over moderate heat until simmering. dissolve the cornstarch in the 1/4 cup pineapple juice or in water. stir into sauce; cook until thickened, stirring constantly.