Whole Tomato Version: Preheat your oven to 325 degrees Fahrenheit.
Put tomatoes into a sauté pan.
Pour olive oil over. Season with herbes de Provence, onion powder, garlic powder, sea salt, black pepper, and herbs.
Bake for two hours, or until tomatoes will look wrinkled, blistered and slightly reduced.
Sliced Tomato Version: Preheat your oven to 300 degrees.
Slice the tomatoes half-inch thick and lay on a silpat covered sheet pan.
Drizzle with olive oil, then season with herbes de Provence, onion powder, garlic powder, sea salt, black pepper, and herbs.
Bake for two hours, or until the tomatoes have shrunk and lost a lot of moisture.