To make this recipe gluten-free. Ensure that all your ingredients. Are certified gluten-free. Most importantly. Use a gluten-free brand of diced tomatoes. And check that your spices and sour cream. Do not contain any gluten additives. For the rice. Any gluten-free variety will do. But double-check packaged cooked rice. For any hidden gluten ingredients. By paying attention to these details. You can enjoy this dish. Without any worries!