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Outback Steakhouse
Outback Center-Cut Sirloin 6 oz + Asparagus + Diet Coke
Outback Center-Cut Sirloin 6 oz + Asparagus + Diet Coke at Outback Steakhouse has 430 calories, 49g protein, 7g carbs and 22g fat — sourced from Outback Steakhouse Nutrition, not AI guesses. 6 oz center-cut sirloin steak + asparagus side + Diet Coke (0 cal).
At Outback Steakhouse, the Outback Center-Cut Sirloin 6 oz + Asparagus + Diet Coke is a solid high-protein order and keto- and low-carb-friendly. That works out to 11.4g of protein per 100 calories — 5g below the 54g Outback Steakhouse average. Its macros land at roughly 46% of calories from protein, 7% from carbs and 46% from fat.
Source: Outback Steakhouse Nutrition ↗, last verified Jun 18, 2026. Menus change periodically; values may vary by location. How we verify →
See all 17 Outback Steakhouse meals → · Highest-protein Outback Steakhouse meals →
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Outback Center-Cut Sirloin 6 oz + Asparagus + Diet Coke — common questions
How much protein is in the Outback Center-Cut Sirloin 6 oz + Asparagus + Diet Coke at Outback Steakhouse?
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Is the Outback Center-Cut Sirloin 6 oz + Asparagus + Diet Coke keto-friendly?
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