Dunkin' Sourdough Breakfast Sandwich: nutrition and allergens
The Sourdough Breakfast Sandwich at Dunkin' has 630 calories, 31 g fat, 58 g carbohydrate, 30 g protein and 1,300 mg sodium per serving (1 Sandwich), according to Dunkin' nutrition information.
Nutrition facts
| Serving size | 1 Sandwich |
|---|---|
| Calories | 630 |
| Total fat (g) | 31 40% |
| Saturated fat (g) | 10 50% |
| Trans fat (g) | 0 |
| Cholesterol (mg) | 360 120% |
| Sodium (mg) | 1,300 57% |
| Potassium (mg) | 360 8% |
| Total carbohydrate (g) | 58 21% |
| Dietary fiber (g) | 3 11% |
| Total sugars (g) | 2 |
| Added sugars (g) | 1 2% |
| Protein (g) | 30 60% |
| Vitamin D | 2 mcg |
| Calcium | 220 mg |
| Iron | 5 mg |
Percentages are the share of the FDA Daily Value for adults and children 4 and over, worked out from Dunkin' published amounts (how % Daily Value works). A dash means Dunkin' does not publish that value for this item.
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 (120%), protein (60%), sodium (57%), saturated fat (50%), fat (40%) and carbohydrate (21%) and is low in added sugars. Add it up with other items in the Dunkin' nutrition calculator.
Allergens
According to Dunkin', the Sourdough Breakfast Sandwich contains milk, egg and wheat. It may also contain soy through shared equipment or preparation.
| Milk | Contains |
|---|---|
| Egg | Contains |
| Fish | Not listed |
| Crustacean shellfish | Not listed |
| Tree nuts | Not listed |
| Peanuts | Not listed |
| Wheat | Contains |
| Soy | May contain |
| Sesame | Not listed |
Allergen guide warning: "May Contain Soy".
Dunkin' warns that any of its products may contain, or may have been processed on shared equipment that touched, eggs, fish, milk, peanuts, sesame, soy, tree nuts, wheat or shellfish. Its allergen and ingredient details reflect standard recipes, so test items, limited-time offers and regional variations may be missing, and guests with allergies should tell staff before ordering.
Ingredients
Egg Patties: Egg Whites, Egg Yolks, Soybean Oil, Water, Contains 2% or less of: Corn Starch, Salt, Natural Flavor, Xanthan Gum, Cellulose Gum, Citric Acid; Sourdough Bread: Enriched Wheat Flour (Flour, Niacin, Reduced Iron, Thiamin Mononitrate, Riboflavin, Folic Acid), Water, Rye Flour, Whole Grain Rye Flour, Salt, Yeast, Malted Barley Flour; Sliced White Cheddar Cheese: Pasteurized Milk, Cheese Culture, Salt, Enzymes; Bacon: Pork, cured with: Water, Sugar, Salt, Sodium Phosphate, Smoke Flavoring, Sodium Erythorbate, Sodium Nitrite.
Other items in Breakfast Sandwiches & Wraps at Dunkin'
By calories, the Sourdough Breakfast Sandwich ranks 33 of 37 in Dunkin' Breakfast Sandwiches & Wraps section, from lowest to highest. The table shows the 9 items nearest to it; each item is compared at its first listed size.
| Item | Calories |
|---|---|
| Maple Brown Sugar Breakfast Sandwich | 560 |
| Kosher Tuna Melt on a Croissant | 570 |
| Chicken Croissant Sandwich | 590 |
| Kosher Dunkin' Double Veggie Sausage Sandwich | 600 |
| Sourdough Breakfast Sandwich | 630 |
| Spam Breakfast Sandwich | 630 |
| Kosher Sourdough Breakfast Sandwich | 660 |
| Sausage, Egg and Cheese on a Plain Bagel | 680 |
| Double Sausage Breakfast Sandwich | 900 |
Nutrition for all 37 items in Breakfast Sandwiches & Wraps at Dunkin'
Browse the Dunkin' menu by goal: high-protein items · low-calorie items
Breakfast sandwiches at other chains
Dunkin' is one of 14 chains on this site that sell breakfast sandwiches. Of the 125 at other chains, 109 have fewer calories and 16 have the same or more than the Sourdough Breakfast Sandwich, 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 (126 items at 14 chains)
Sources
- 1 Dunkin', Dunkin' Nutrition Guide (PDF) Covers nutrition and menu · Last updated 09-21-2026 · Checked 8 Oct 2026
- 2 Dunkin', Dunkin' Allergen and Ingredient Guide (PDF) Covers allergens and ingredients · Last updated 09-21-2026 · Checked 8 Oct 2026
- 3 Dunkin', Dunkin' Nutrition & Allergy Information page Covers menu · Internet Archive copy, October 2026 · Checked 8 Oct 2026
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