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Melbourne Porterhouse 22 oz
Melbourne Porterhouse 22 oz at Outback Steakhouse has 660 calories, 83g protein, 1g carbs and 34g fat — sourced from Outback Steakhouse Nutrition, not AI guesses. 22 oz porterhouse steak, no sides.
At Outback Steakhouse, the Melbourne Porterhouse 22 oz is a solid high-protein order and keto- and low-carb-friendly. That works out to 12.6g of protein per 100 calories — 29g above the 54g Outback Steakhouse average. Its macros land at roughly 50% of calories from protein, 1% from carbs and 46% from fat.
Source: Outback Steakhouse Nutrition ↗, last verified Jun 22, 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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Melbourne Porterhouse 22 oz — common questions
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