Devilled Crab In Tomato.

• 30 italian tomatoes
• 1/2 lemon grass
• 1/4 nam-prik pao
• 1/4 scallions
• 270 gr crab mea (cooked)
• 60 ml lime juice
• 60 ml fish sauce
• 50 gr shallots
• 26 gr sugar
• 24 gr coriander leaves