Subway Sweet Onion sauce

Ingredients:

1. 250g white sugar

2. 60ml red wine vinegar

3. 60ml white vinegar

4. 1 large sweet onion, grated

5. 15ml sesame oil

6. 15ml Dijon mustard

7. 2.5g mustard powder (or an extra 5ml Dijon mustard)

8. 2.5g onion powder

9. 1.25g garlic powder

10. 1.25g paprika

11. 0.6g celery seed

12. 0.6g poppy seeds

13. Salt and pepper to taste

14. 15g cornstarch

Instructions: