Gloria Jean's Coffees is a popular coffee chain that has several locations in Istanbul. They offer a variety of gluten-free baked goods, including muffins, cookies, and cakes. Their gluten-free products are made with high-quality ingredients and are free from wheat, barley, and rye. They also offer dairy-free and vegan options. The coffee shop has a cozy atmosphere and is a great place to relax and enjoy a gluten-free treat.