1 pound ripe medium tomatoes, seeded and finely chopped
1/4 cup extra-virgin olive oil plus more for brushing
1/4 cup (tightly packed) fresh basil, minced
1-1/2 tablespoons fresh mint leaves, minced
2 garlic cloves, 1 minced and 1 halved
Salt and freshly ground pepper
Twelve 1/4-inch thick slices of gluten free
French bread baguette, toasted