1Spray 3- to 4-quart slow cooker with cooking spray. Mix onion, chicken and red pepper in cooker. In large bowl, mix cottage cheese, sour cream, Parmesan cheese and flour; pour over chicken.
2Cover; cook on Low heat setting 5 to 6 hours.
3Stir mixture; stir in noodles and peas. Increase heat setting to High. Cover; cook 20 to 30 minutes or until noodles are tender. Garnish with chives.