Heat a large saucepan over medium-high heat.

Coat the pan with cooking spray.

Add finely chopped onion and saute for 3 minutes until tender.

Add minced garlic and saute for 30 seconds.

Stir in white wine and cook for 30 seconds.

Add tomato paste, dried oregano, crushed red pepper, and freshly ground black pepper.

Add crushed tomatoes.

Reduce heat to low and simmer for 20 minutes until the sauce thickens.

Remove from heat and stir in balsamic vinegar.

Cool before using.