1/4 cup vegetable oil
2 tablespoons balsamic vinegar
salt and pepper, to taste
15-20 roma tomatoes, quartered or halved
1. Preheat oven to 200 degrees F. Cover baking sheet with foil.
2. Mix the oil, vinegar, salt and pepper, then pour over tomatoes in a non-metallic bowl. Mix to coat.
3. Place tomatoes skin side down in a single layer.
4. Bake for 8-10 hours, or until desired consistency.
Store in a jar, covered with oil in the refrigerator for up to 3 weeks, or in the freezer for up to 3 months.