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Rubio's Coastal Grill
Classic Steak Taco Trio with Black Beans
Classic Steak Taco Trio with Black Beans at Rubio's Coastal Grill has 930 calories, 53g protein, 79g carbs and 44g fat — sourced from FastFoodNutrition.org (mirrors Rubio's official data) cross-checked against rubios.com official menu PDF, not AI guesses. 3 Classic Guacamole Steak Tacos + Black Beans side.
At Rubio's Coastal Grill, the Classic Steak Taco Trio with Black Beans is a solid high-protein order. That works out to 5.7g of protein per 100 calories — 20g above the 33g Rubio's Coastal Grill average. Its macros land at roughly 23% of calories from protein, 34% from carbs and 43% from fat.
Source: FastFoodNutrition.org (mirrors Rubio's official data) cross-checked against rubios.com official menu PDF ↗, last verified Jul 2, 2026. Menus change periodically; values may vary by location. How we verify →
See all 16 Rubio's Coastal Grill meals → · Highest-protein Rubio's Coastal Grill meals →
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