Created by Linky on May 11, 2023
Step 1: Heat the oil and butter in a large saucepan over gentle heat.
Step 2: Add the onions and cover with a lid.
Step 3: Cook slowly for approximately 10 minutes or until the onions are soft.
Step 4: Add the balsamic vinegar and sugar to the onions and stir well. Cover with the lid and continue to cook for a further 5 minutes.
Step 5: Add the stock and boil gently, uncovered, for 5 minutes.
Step 6: In a small heatproof measuring cup or bowl, mix the cornstarch with the cold water to form a thin paste.
Step 7: Pour a little of the hot stock into the starch mixture and mix thoroughly.
Step 8: Pour the starch mixture back into the gravy.
Step 9: Raise the heat to high and boil for 10 minutes or until the gravy is slightly thickened.
Step 10: Season with salt and pepper, to taste.
Step 11: Keep warm until ready to serve.