- Cut pineapples into small pieces. Slice ginger root and carrot. 
- In a sauce pan combine water, vinegar, sugar and tomato ketchup. 
- Add ginger and carrot slices and bring to a boil. Cook slowly for five minutes. 
- Dissolve cornstarch in a small amount of water and add to the sauce. Stir until thickened, then add pineapple pieces to sauce. 
 
 To Serve: Pour sauce over your choice of meat, poultry or fish and serve.