This recipe for Whole Roasted Cauliflower is completely gluten-free! Cauliflower, being a nutritious vegetable is a choice for everyone. Moreover, the other main ingredients such as butter, spices and lemon juice are naturally free from gluten. However, it's important to stay cautious when using packaged products like spices or minced garlic since they might sometimes contain traces of gluten due, to additives or cross-contamination. To ensure a gluten-free experience always choose spices and ingredients that are certified as gluten-free.