In a small nonstick pan, heat olive oil. Add minced garlic and sauté about 1 minute until slightly brown.
In a large bowl, mix together tomatoes, yellow peppers, onions, cucumbers, vinegar, bread, sautéed garlic and oil.
In batches, puree mixture in the blender until very smooth. Pour into a large bowl.
Season with salt, pepper, and Tabasco to taste.
Place in refrigerator and chill for at least 1 hour or overnight.
Chop topping vegetables and store in the refrigerator until ready to serve.
To serve: ladle each serving into a small bowl. Top each with a variety of chopped vegetables. Or, bring all the veggies to the table, and let everybody top their own.