Creme brulee is usually considered a gluten free dessert. This is because the usual ingredients are cream, vanilla, sugar, eggs and water - all of which are gluten free. However, some manufacturers may add gluten to help with consistency, texture or shelf life. They also may make their products in an area that is not dedicated to gluten free food. If this is the case, it may have been a victim of cross contact. It's always best to check the ingredients label, and opt for products that carry a "gluten free" label, where possible.