Egg McMuffin® vs Fully Loaded Croissanwich

Breakfast icons: the original fast-food breakfast sandwich vs BK's croissant answer.

Egg McMuffin®

17gprotein
310calories
30gcarbs
13gfat

Source: McDonald's website · vintage 2026

Fully Loaded Croissanwich

28gprotein
610calories
31gcarbs
40gfat

Source: Burger King menu (via MenuStat) · vintage 2018 · 218 g

The verdict

Most protein
Fully Loaded Croissanwich

28g vs 17g — a 11g gap

Fewest calories
Egg McMuffin®

310 vs 610 cal — 300 fewer

Best protein per 100 cal
Egg McMuffin®

5.5g vs 4.6g

Least fat
Egg McMuffin®

13g vs 40g

More protein isn't automatically the better pick — it depends on your goals. Numbers are the chains' own published figures; vintages differ, so treat older ones as a guide.

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