Black-eyed pea salad

Ingredients

• 1/2 pound black-eyed peas, soaked in water to cover for 1 hour
• 1 quart water
• 1 teaspoon salt, divided
• 1 tomato, peeled, seeded and diced
• 1 cucumber, seeded and diced
• 1 red bell pepper, seeded and diced
• 1 bunch green onions, chopped
• 1/2 bunch flat-leaf parsley, roughly chopped
• Juice of 2 limes
• 1 habanero pepper, seeded and finely chopped
• 1/8 teaspoon freshly ground black pepper
• 2/3 cup best-quality olive oil
• 8 lettuce leaves, for serving