Directions:

1. Blend all dressing ingredients in blender until smooth.
2. Soak onion in small bowl of ice water 20 minutes or until crisp; drain. Pat dry.
3. Meanwhile, heat grill. With side of knife, mash medium garlic clove on cutting board until paste forms. Combine with 1 tablespoon oil in small bowl; lightly brush over both sides of bread.
4. Grill bread, covered, over medium heat or coals 2 minutes or until lightly taosted, turning once and watching carefully. (Bread can be prepared 2 hours ahead.) Arrange in single layer on large platter. Arrange sliced tomatoes over bread, leaving edges of bread on outside of platter visible. Layer onions over tomatoes; top with cherry tomatoes. Sprinkle with salt and pepper. Scatter olives over all; drizzle with dressing.