Marinade Infiltration: Whisk citrus, garlic, spices, salt. Submerge steak. Refrigerate 1 hour.
Double-Crunch Blast: Toss frozen fries with oil. Air fry at 400°F for 20-22 minutes, shaking every 5 minutes until golden and rigid.
High-Heat Sear: Pat steak dry. Sear in smoking-hot cast iron 3-4 minutes per side. Pull at 130°F internal.
Capillary Rest: Rest steak uncovered on board exactly 8 minutes. Dice into ¼-inch cubes against grain.
Cheese Shield: Spread hot fries on platter. Cover with cheese. Broil 1-2 minutes until melted into continuous layer.
Structural Stack: Scatter steak over cheese. Add isolated dollops of guacamole and crema. Garnish cilantro. Serve immediately.