1/3 fewer Calories. Light sour cream: Fat (Per serving); 2.5g. Calories (Per serving); 40. Regular Sour Cream: Fat (Per serving); 5g. Calories (Per serving); 60. 50% Less fat than regular sour cream. Real. Penn Maid Dairy, a local tradition since 1927. Penn Maid Dairy products have been a local tradition at family dinners, reunions, holiday meals and in secret recipes for almost four generations. Our products have always been 100% guaranteed and people trust us to deliver the finest dairy products - sour cream, cottage cheese, yogurt, dip, cheese and dessert items. You can taste the local difference! Grade A. www.pennmaid.com. Questions or comments? Call toll free 1-800-24-PMCOW. Penn Maid Dairy, a local tradition since 1927. Penn Maid Dairy products have been a local tradition at family dinners, reunions, holiday meals and in secret recipes for almost four generations. Our products have always been 100% guaranteed and people trust us to deliver the finest dairy products--sour cream, cottage cheese, yogurt, dip, cheese and dessert items. You can taste the local difference!; Light sour cream has 2.5g of fat and 40 calories per serving. Regular sour cream has 5g of fat and 60 calories per serving.