Heat oil in a saucepan over medium heat. Add onion and sauté until translucent. Add in garlic and saffron and sauté for about 1 min. until garlic is cooked but not burnt. Stir in couscous and turmeric, cook for 2-3 minutes until evenly coated with oil and lightly toasted. Add in stock and bring to a boil. Cover, reduce heat to low and simmer for about 8-10 min. until al dented. Once done spread out on sheet pan to cool. Once cool, store in appropriate container, cover, label, and date.