Spicy Pizza Sauce

Why I Love This Recipe
I need a spicy sauce to go into a pizza braid. This is it.
Ingredients You'll Need
2 tablespoons olive oil
½ cup chopped onion
1 clove garlic, crushed
½ cup white wine
4 tablespoons tomato paste
1 (28 oz) can petite diced tomatoes
2 teaspoons Italian seasoning
1 teaspoon red pepper flakes
1 teaspoon black pepper
2 teaspoons balsamic vinegar
Directions
Heat the olive oil in a large saucepan over medium-high heat. Add the onions and sauté until they are soft, about 4 minutes. Add the garlic and the wine; cook for an additional minute. Stir in the tomato paste, diced tomatoes, Italian seasoning, pepper flakes and black pepper. Reduce the heat and simmer for 20-25 minutes or until thickened. Stir in the vinegar; cool.