Preheat the oven to 180°C and add the carrots, red pepper and red onion to a roasting tin. Drizzle over 2 tbsp olive oil and sprinkle with salt and pepper. Roast for 30 minutes or until crispy on the edges.
Add the couscous, raisins and turmeric to a large bowl and mix. Pour in boiling water and cover for 10 minutes before fluffing out the couscous with a fork.
Add the remaining olive oil, garlic, honey, spices and lemon juice to a small bowl and season with salt, whisk to combine.
Pour the chickpeas into the couscous along with the roasted vegetables and the dressing. Toss to combine. Top with almonds, mint and pickled lemons.