Easy Tomato Onion Relish - cooking recipe

Ingredients

1 tablespoon olive oil
1 small red onion, chopped
1 (15 ounce) can diced tomatoes
1 -2 tablespoon brown sugar
2 tablespoons balsamic vinegar

Preparation

In a large skillet, combine the olive oil and the red onion over medium low heat. Cook until softened, about 5-10 minutes.
Lower the heat, and add the tomatoes, brown sugar, and vinegar. Cook until thickened, about 10 more minutes.