Sweet Onion Sauce

If you enjoy the Subway Sweet Onion Sauce then you will definitely enjoy having this sauce around.

You will need:
1 Cup Sugar
1/2 Cup Water
6 Tablespoons White Vinegar
1 1/2 Tablespoons Red Wine Vinegar
1/2 Tablespoon Onion (freshly grated as fine as possible)
1 Tablespoon Corn starch
2 Teaspoons Mustard
2 Teaspoons Mustard Powder (Substitute with Turmeric powder)
1 Teaspoon Poppy Seeds (optional)
1/2 Teaspoon Sesame Oil or any other oil
1/2 Teaspoon Onion Powder
1/2 Teaspoon Salt
1/4 Teaspoon Garlic Powder
1/4 Teaspoon Celery Seed or Fresh Celery chopped finely
1/4 Teaspoon Paprika
1/4 Teaspoon Black Pepper

Method:
Add all the ingredients to a saucepan. Bring it to a boil while whisking constantly. Let it boil for 5 minutes, then reduce the heat to a simmer for another 5 minutes – whisking the entire time.
After the sauce thickens, remove from heat and allow to cool. Store in an airtight container in the refrigerator for up to 1 week.