Brazilian Shrimp Stew

INGREDIENTS

• 1/4 cup fresh lemon juice
• 1 medium onion, finely chopped
• 1 1/2 tablespoons olive oil
• 1 green bell pepper, finely chopped
• 1 (14- to 15-oz) can diced tomatoes including juice
• 1 1/2 teaspoons salt
• 1 cup well-stirred canned unsweetened coconut milk
• 2 garlic cloves, minced
• 1/4 teaspoon black pepper
• 5 tablespoons coarsely chopped fresh cilantro
• 1/2 teaspoon cayenne
• Accompaniment: cooked white rice
• 1 tablespoon (palm) oil*
• 1 1/4 lb large shrimp in shell (21 to 25 per lb), peeled and deveined