Bring 1 cup of water to a boil in a saucepot or in a kettle. Put 1 cup of couscous and ⅛ teaspoon salt in a heat-safe bowl or saucepot. Pour the boiling water on the couscous and cover tightly with a lid. Let sit for 10 minutes. Remove the lid and fluff with a fork.
While the couscous cooks, prep the vegetables: dice the cucumber and bell pepper, slice the green onions, and chop the cilantro.
Make the dressing by whisking together the mayonnaise, olive oil, lime juice, tahini, curry powder, sugar, and ½ teaspoon salt. It should be thick and creamy but still pourable. Taste for seasonings and adjust as needed.
To a large bowl add the fluffed couscous, cucumber, bell pepper, green onions, cilantro, drained chickpeas, raisins, cashews, and the zest of a lime. Toss with salad servers to combine.
Drizzle the couscous salad with half of the dressing, tossing to combine again. Add the remaining dressing to taste (I typically use all of it but recommend adding to preference.) Enjoy as-is or cover and chill for 1-2 hours before serving.
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Notes
Couscous: This recipe also works with pearl couscous or quinoa. Cook per package instructions.
Curry powder: Any variety and spice level works here; the goal is to impart some curry flavor, and it will change subtly brand-to-brand.
This recipe keeps for 3-4 days. I think it tastes even better the next day as the flavors marinate.
For extra protein, try doubling the chickpeas or add pan-fried tofu.