Crispy beef tacos can be gluten-free depending on the ingredients used. The beef itself is typically gluten-free, but it's essential to ensure that the taco seasoning and any additional sauces or toppings are also gluten-free. Some taco seasoning mixes may contain gluten or be processed in facilities that handle gluten-containing ingredients. It's crucial to read labels carefully and choose gluten-free options or make your own seasoning blend using gluten-free spices. Additionally, when using tortillas, make sure to select corn tortillas that are specifically labeled as gluten-free.