unsweetened pineapple juice
1/4 cup unsweetened pineapple juice or 1/4 cup
- 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.