Marinate the lamb with the cumin, coriander seed, cinnamon, ginger powder, salt and pepper and 1 tablespoon olive oil for an hour.
Meanwhile, wash and chop the vegetables
Set Instant Pot on Saute mode. When hot, add 2 tablespoons olive oil, stir fry the bellpeppers and zucchini for 3 to 4 minutes and remove the vegetable to a bowl but leave the oil.
Add 1 tablespoon olive oil in instant pot, fry the onions and garlic till fragrant, around 3 minutes. Add the marinated lamb pieces and brown on all sides. Add the cubed sweet potatoes on top.
Add the can of tomatoes, and the broth. Stir well so no lamb pieces are stuck at the bottom
Cancel the saute function. Close and lock the lid, set the Pressure Cook on high for 35 minutes. Natural steam release.
Meanwhile, prepare the couscous according to the package instructions and the garnish.
Carefully remove the lid, taste the broth and adjust seasoning. Set Instant Pot on Saute function, add the saffron, chickpeas, sauteed bell peppers and zucchini. Heat till boiling for 5 minutes.
Serve the lamb with the broth with the couscous, garnish with mint, coriander and chopped apricots and pistachoes on the side. If you like spicy, serve with harissa or chili paste