Olive oil is heated in a large skillet over medium-high heat. Add finely chopped onions and tomatoes and stir until onion is tender (2-3 minutes). Add chopped mushrooms and thyme and stir until the mushrooms release their water and soften (about 5 minutes). Add broth and hot sauce or red pepper and bring to the boil. Remove from heat, add couscous-Kusa and mix. Cover with a lid and leave for about 5 minutes until the couscous-Kusa absorb liquid. Stir with a fork and seasoned with parsley, salt and pepper.