Prep: 1. Chop onion, celery, and cauliflower. Make: 1. In a large skillet, heat olive oil over medium heat. 2. Sauté onion for 8 minutes, until soft. 3. Add celery to skillet and sauté 5 minutes more. 4. Meanwhile, place cauliflower in a food processor with the "S" blade and process until the texture of rice. 5. Add cauliflower to skillet, cover and cook 5-10 minutes, until soft, then add salt to taste.