Couscous Salad With Feta And Mint

Name: Couscous Salad With Feta And Mint
Ingredients: 1 cup(s) tomato or plain couscous; 3 tablespoon(s) olive oil; 2 teaspoon(s) hot red chile sauce (like Sriracha or harissa); 1/2 teaspoon(s) ground cumin; 1/2 teaspoon(s) coriander; 2 clove(s) garlic, crushed; 1 teaspoon(s) Kosher salt; 1 cup(s) boiling water; 1.5 cup(s) halved mixed cherry tomatoes; 2 (8 ounces each) mini seedless cucumbers, sliced; 1/2 cup(s) fresh mint leaves, lightly packed; 3 scallions, sliced; 1 small lemon, zested and juiced; 1 can(s) (15-ounce) chickpeas, rinsed and drained; 1 cup(s) (4-ounce) crumbled feta cheese; 1 bunch(es) watercress; Kalamata olives, pitted