Step 1: Prepare the Marinade: Begin by creating the flavorful marinade that will infuse your steak with that signature cilantro lime taste. In a medium bowl, whisk together the avocado or olive oil, lime zest, lime juice, minced garlic, chopped cilantro, kosher salt, and black pepper. This marinade combines tangy citrus elements with aromatic herbs to create a flavor profile that will transform your steak.

Step 2: Marinate the Steak: Place the flank steak in a shallow dish or a large zip-top bag. Pour the marinade over the steak, ensuring it’s completely coated. For the best flavor and tenderness, marinate the steak for 30 minutes to 3 hours. If you have time, letting it marinate for the full 2 hours allows the citrus and herbs to penetrate deeply into the meat. Just be careful not to exceed 3 hours, as the acid in the lime juice can break down the meat’s texture if left too long.

Step 3: Prepare the Bowl Components: While the steak is marinating, prepare your bowl components. Cook your rice according to package instructions or prepare your cauliflower rice if you’re opting for a lower-carb version. Heat the black beans and corn in separate small saucepans until warmed through. Slice the avocados and dice the red onion. This preparation ensures that all components are ready when it’s time to assemble the bowls.

Step 4: Cook the Steak: Heat your grill or a large skillet over medium-high heat. Remove the steak from the marinade and discard any excess liquid. Grill or pan-sear the steak for about 20 minutes total, turning once, until it reaches an internal temperature of 145°F for medium to medium-well doneness. This ensures the steak remains juicy while being cooked through. Avoid overcooking to maintain tenderness.

Step 5: Rest and Slice the Steak: Once cooked, transfer the steak to a cutting board and let it rest for 5 to 10 minutes. This crucial step allows the juices to redistribute throughout the meat, ensuring maximum tenderness and flavor. After resting, slice the steak thinly against the grain. This technique shortens the muscle fibers, making each bite more tender. Alternatively, you can cut the steak into cubes if you prefer.

Step 6: Prepare the Lime Crema: In a small bowl, combine the sour cream, Tajin seasoning, and lime juice. Whisk until smooth and fully incorporated. This creamy, tangy topping adds the perfect finishing touch to your bowls, complementing the bold flavors of the steak and fresh vegetables.

Step 7: Assemble the Bowls: Now comes the fun part! Begin by dividing the cooked rice or cauliflower among four bowls. Arrange the sliced steak on top, followed by the black beans, corn, avocado slices, red onion, and cheddar cheese. Drizzle the lime crema generously over the top. For extra flavor, you can use cilantro lime rice instead of plain rice, adding even more of that delicious cilantro lime profile to your bowl.