Fine dice peppers, cucumbers and tomatoes. Reserve a little tomato and cucumber for garnish. Mix buttermilk, sour cream, and lime juice. Add vegetables to buttermilk mixture. Season with salt and pepper. Serve with a garnish of chopped cucumber, tomato and 8 pita croutons around edge of soup bowl. *Pita Croutons: Cut 6 pieces of pita bread into 8 wedges. Separate, brush with olive oil. Toast in oven till crisp.