If you don't live in a climate sunny enough to dry tomatoes outside - here's a way to get the task done inside!
Pre-heat your oven to 250 degrees. Cut 8 tomatoes in half or in quarters. Mix tomato slices, 1/2 cup olive oil, 1 1/2 tbs balsamic vinegar and some crushed thyme together. Lay mixture on a cookie tray in the oven and bake for two or more hours.