2 cups ripe heirloom tomatoes, chopped
1/4 cup red or white onion, finely chopped
3 TBS olive oil
3 TBS chopped fresh basil
1 1/2 TBS balsamic vinegar
1 garlic clove, minced
Crusty bread, sliced
Grated Parmesan or Asiago
Combine tomatoes, onion, olive oil, basil, and vinegar in a medium bowl; season with salt and pepper.
Spread bread with olive oil and a garlic rub or butter with garlic and Italian seasonings, place on grill and lightly brown.
Top with tomato mixture and grated cheese.