Spray a large nonstick skillet with non-fat cooking spray and set at medium high heat. Add the chicken and cook, turning once, until browned, about 5-8 minutes.
Transfer chicken to a 5-6 quart slow cooker. Arrange cauliflower, fennel, onion, olives around the chicken. Then cover with garlic, lemon zest, oregano, salt and pepper.
Pour in broth and tomatoes.
Cover and cook about 4-5 hours on high or 6-8 hours on low.
Stir in yogurt and artichokes and cook for about another 15- 30 minutes.
Weight Watchers: Serving size is 1 – 1 ½ thighs, and about 1 1/4 cup of sauce -Each serving = 5 Points + Gluten Free: This recipe is gluten free depending on brand of chicken broth and seasonings. Please check labels to ensure that it is gluten free!