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3 Impossible Sliders with Cheese

3 Impossible Sliders with Cheese at White Castle has 720 calories, 33g protein, 51g carbs and 39g fat — sourced from Fast Food Nutrition (mirrors official White Castle data), not AI guesses. 3x Impossible Slider with American Cheese.

3 Impossible Sliders with Cheese
720calories
33gprotein
51gcarbs
39gfat
High protein Contains dairy, gluten
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At White Castle, the 3 Impossible Sliders with Cheese is a solid high-protein order. That works out to 4.6g of protein per 100 calories — 11g above the 22g White Castle average. Its macros land at roughly 18% of calories from protein, 28% from carbs and 49% from fat. Contains dairy, gluten.

Source: Fast Food Nutrition (mirrors official White Castle data) ↗, last verified Jul 2, 2026. Menus change periodically; values may vary by location. How we verify →

See all 16 White Castle meals →  ·  Highest-protein White Castle meals →

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3 Impossible Sliders with Cheese — common questions

How much protein is in the 3 Impossible Sliders with Cheese at White Castle?
The 3 Impossible Sliders with Cheese has 33g of protein. It's the #2 highest-protein item on the White Castle menu we track. It also has 720 calories, 51g carbs and 39g fat, per Fast Food Nutrition (mirrors official White Castle data).
How many calories are in the 3 Impossible Sliders with Cheese?
The 3 Impossible Sliders with Cheese at White Castle has 720 calories, according to Fast Food Nutrition (mirrors official White Castle data).
Is the 3 Impossible Sliders with Cheese high in protein?
Yes — at 33g of protein it clears the 30g high-protein bar, ands the #2 highest-protein item on the White Castle menu we track.
Does the 3 Impossible Sliders with Cheese contain allergens?
Per Fast Food Nutrition (mirrors official White Castle data), the 3 Impossible Sliders with Cheese contains dairy, gluten. Preparation and cross-contact vary by location — check with the restaurant if you have an allergy.
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