Wash, pat dry, then cut the Roma tomatoes in half, lengthwise.
Place the tomatoes into a bowl and add the olive oil, garlic, Italian seasoning, salt, and pepper. Gentle toss to coat.
In the OVEN - cook at 450 degrees F for 20 minutes.On the GRILL - cook cook at 350 or higher for 45 minutes. Place in a pan or aluminum foil if desired.