100 calorie thin bagels. 100 calories. Excellent source of fiber. Low fat. No high fructose corn syrup. Delicious taste and 100 calories. Pepperidge Farm Bagel Flats - versatile thin bagels that are perfect for breakfast or anytime of day. Enjoy them toasted and topped with your favorite spread, or add a tasty filling for the perfect breakfast sandwich. Cholesterol free. 0 g trans fat.