Add the oil to a medium-sized saucepan over medium heat. Once hot, add the onion, garlic, and jalapeno. Saute until soft and season with salt and pepper, to taste.
Add the strawberries and sugar and cook until the strawberries begin to break down and the sugar dissolves.
Add the ketchup, water, strawberry nectar, jam, mustard, Worcestershire, salt and pepper.
Simmer for 30 minutes.
