If you're someone who enjoys treats but follows a gluten-free diet you'll be pleased to know that making these Caramel Pecan Clusters gluten-free is quite simple. The recipe itself is beautifully straightforward as the main ingredients, like sugar, corn syrup, heavy cream, butter, vanilla extract and pecans are naturally gluten-free. However it's important to be cautious when selecting ingredients to ensure that these delicious clusters remain safe for a gluten-free diet. Specifically pay attention to the brand of vanilla extract and any additional ingredients you plan to use. Some vanilla extracts or processed nuts may contain gluten. Come into contact, with it during manufacturing. Therefore always choose products that are certified as gluten-free.