Is the food served at all Singapore McDonald’s® restaurants certified Halal? March 21, 2022 07:27 Updated Yes, all McDonald's restaurants in Singapore are Halal-certified by MUIS (The Islamic Religious Council of Singapore). The regulatory body approved McDonald's food for consumption by Muslims in 1992. Related articles What kind of meat do you use in your McChicken® and Chicken McNuggets®? What type of milk do you use in your desserts? Where do your eggs come from? Do you wash them before use? Why are your Apple Slices so crunchy even though they’re cut? Do you use preservatives? What vegetarian options do you offer?