Preheat oven to 400º F.
Toss tomatoes, red onion, red and yellow peppers, olive oil and 1/2 teaspoon TABASCO® Sauce in roasting pan. Roast 30 minutes, stirring occasionally.*
Remove vegetables to large bowl. Add tomato juice, red wine vinegar, cucumber, salt and remaining 1/2 teaspoon TABASCO® Sauce. In a blender or food processor, purée gazpacho in batches until desired consistency. Stir in cilantro. Cover and refrigerate until chilled, at least 3 hours.
Garnish gazpacho with yellow pepper slivers, diced cucumbers and cilantro sprigs, if desired.
*For grilling option: preheat grill to high. Place vegetable mixture in foil; seal to close well. Place packet on grill. Grill 8 to 10 minutes until packet is puffed. Prepare as above.
Makes 4 1/2 cups.