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Double-Double w/Onion & Spread
Double-Double w/Onion & Spread at In-N-Out Burger has 610 calories, 34g protein, 42g carbs and 34g fat — sourced from In-N-Out Burger Nutrition Facts, not AI guesses. Two beef patties, two slices American cheese, lettuce, tomato, onion, spread on bun.
At In-N-Out Burger, the Double-Double w/Onion & Spread is a solid high-protein order. That works out to 5.6g of protein per 100 calories — 9g above the 25g In-N-Out Burger average. Its macros land at roughly 22% of calories from protein, 28% from carbs and 50% from fat. Contains dairy, gluten.
Source: In-N-Out Burger Nutrition Facts ↗, last verified Jun 17, 2026. Menus change periodically; values may vary by location. How we verify →
See all 17 In-N-Out Burger meals → · Highest-protein In-N-Out Burger meals → · In-N-Out Burger nutrition calculator →
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