If you make cookies, a serving is probably one cookie. If you make soup or a beverage, a serving is probably one cup.
Calories in One Oreo Cookie: The serving size listed on the standard Oreo package is 3 cookies, so these amounts are all tripled on the nutritional label. A single Oreo cookie has a little over 53 calories. The cookie also contains 8.3 grams of carbohydrates, 2.3 grams of fat and 0.67 grams of protein.
How many Oreos is a serving?
The following nutrition information is provided by the USDA for one serving (three cookies, 34g) of Oreo cookies. The number of calories in a cookie depends on the type of cookie you eat.