Made with olestra. All the taste. 1/2 the calories of regular potato chips. Olean. Calorie content has been reduced from 160 to 75 calories per serving. Ruffles brand Light Cheddar and Sour Cream Flavored Potato Chips deliver the irresistible great taste and satisfaction you expect from Ruffles brand but with no fat and half the calories of regular potato chips! How do we do it? We make Ruffles brand Light Potato Chips with Olean brand fat free cooking oil (also known as olestra). Product Comparison (per 1 oz Serving): Ruffles Brand Light Cheddar & Sour Cream Flavored Potato Chips: Fat 0 g; Calories 75; Taste 100%. Regular Potato Chips: Fat 10 g; Cal 160; Taste 100%.