Start with cutting pork shoulder in small pieces. Heat some olive oil in a large skillet. Put onions and pork in a skillet and brown over medium high heat for about 3 minutes. Add salt and pepper
Add mushrooms, tomatoes, zucchinis and broth(or white wine if using), set the heat low and cook for about 25-30 minutes or until all the liquid is evaporated .
Meanwhile cook couscous according to the package directions. Fluff with fork
Serve pork ragout over couscous and sprinkle with some chopped green onions