Pour the boiling, salted water over the couscous and let soak for 5 minutes. Fluff with a fork and keep warm.
Soak the raisins in warm water.
Blanch the tomatoes in boiling water. Remove the tomatoes from the water and peel.
Rinse and halve the pepper. Remove the seeds and finely dice.
Rinse, trim, and thinly slice the scallions. Peel and finely dice the garlic.
Blanch the tomatoes for a few seconds in boiling water. Remove from the water and peel.
Mix the peppers, scallions, and garlic. Season to taste with coriander, salt, and pepper. Mix in the oil, lemon juice, and 1/2 cup of hot water. Add to the couscous, and toss until combined. Add the raisins, herbs, tomatoes, and mint. Stir until completely combined, and serve immediately.