Wendy's Sausage, Egg & Swiss Croissant: nutrition and allergens
The Sausage, Egg & Swiss Croissant at Wendy's has 590 calories, 40 g fat, 35 g carbohydrate, 21 g protein and 960 mg sodium, according to Wendy's nutrition information.
Nutrition facts
| Calories | 590 |
|---|---|
| Total fat (g) | 40 51% |
| Saturated fat (g) | 16 80% |
| Trans fat (g) | 0.5 |
| Cholesterol (mg) | 265 88% |
| Sodium (mg) | 960 42% |
| Total carbohydrate (g) | 35 13% |
| Dietary fiber (g) | 0 0% |
| Total sugars (g) | 7 |
| Protein (g) | 21 42% |
| Calcium | 8% DV |
| Iron | 20% DV |
| Potassium | 6% DV |
Percentages are the share of the FDA Daily Value for adults and children 4 and over, worked out from Wendy's published amounts (how % Daily Value works). A dash means Wendy's does not publish that value for this item. Not published for this item: added sugars.
Using the FDA’s rule of thumb that 5% of the Daily Value or less per serving is low and 20% or more is high, one serving is high in cholesterol (88%), saturated fat (80%), fat (51%), sodium (42%) and protein (42%) and is low in dietary fiber. Add it up with other items in the Wendy's nutrition calculator.
Allergens
According to Wendy's, the Sausage, Egg & Swiss Croissant contains milk, egg, wheat and soy.
| Milk | Contains |
|---|---|
| Egg | Contains |
| Fish | Not listed |
| Crustacean shellfish | Not listed |
| Tree nuts | Not listed |
| Peanuts | Not listed |
| Wheat | Contains |
| Soy | Contains |
| Sesame | Not listed |
Wendy's flags the nine FDA major allergens (milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soybean, sesame) on its US menu. Because food is handled and prepared in shared areas, cross-contact can happen and Wendy's cannot guarantee any item is allergen-free; many items can be ordered without ingredients such as cheese or condiments.
Other items in Breakfast Croissants at Wendy's
By calories, the Sausage, Egg & Swiss Croissant ranks 3 of 3 in Wendy's Breakfast Croissants section, from lowest to highest.
| Item | Calories |
|---|---|
| Bacon, Egg & Swiss Croissant | 420 |
| Maple Bacon Chicken Croissant | 540 |
| Sausage, Egg & Swiss Croissant | 590 |
Nutrition for all 3 items in Breakfast Croissants at Wendy's
Browse the Wendy's menu by goal: high-protein items · low-calorie items
Breakfast sandwiches at other chains
Wendy's is one of 14 chains on this site that sell breakfast sandwiches. Of the 132 at other chains, 106 have fewer calories and 26 have the same or more than the Sausage, Egg & Swiss Croissant, comparing each at its first listed size; portions differ, so check the serving on each item’s page.
| Item | Calories |
|---|---|
| Starbucks Turkey Bacon, Cheddar & Egg White Sandwich | 260 |
| Jack in the Box Extreme Sausage Sandwich | 260 |
| Chick-fil-A Bacon, Egg & Cheese Muffin | 300 |
| Chick-fil-A Egg White Grill | 300 |
| McDonald’s Egg McMuffin | 310 |
| Burger King Egg & Cheese Croissan'wich | 310 |
| Whataburger Egg Sandwich | 310 |
| Arby's Bacon & Cheese Croissant | 330 |
Compare all breakfast sandwiches side by side (133 items at 14 chains)
Sources
- 1 Wendy's, Wendy's online ordering menu (national US menu) Covers menu · Menu as of October 8, 2026 · Checked 8 Oct 2026
- 2 Wendy's, Wendy's online ordering nutrition data (standard recipes) Covers nutrition and allergens · Checked 8 Oct 2026
- 3 Wendy's, Wendy's Nutrition & Food Allergens Covers allergens · Checked 8 Oct 2026
Spotted a value that differs from the chain’s current information? Report it