01 -
Combine olive oil, lime juice, orange juice, lime zest, and all spices in a bowl. Whisk until fully blended and adjust seasoning to ensure a bright citrus and chili flavor.
02 -
Place sliced steak in a dish or resealable bag. Pour marinade over the meat, coating thoroughly. Refrigerate for a minimum of 30 minutes or up to 4 hours to maximize flavor infusion.
03 -
Heat a skillet or grill pan over high heat until very hot. Add the steak and sear for 4 to 5 minutes per side without moving to develop caramelized edges. Remove and rest for 5 minutes before slicing thinly against the grain for tenderness.
04 -
In the same pan, add olive oil and heat over medium. Add sliced bell peppers, Fresno pepper, and onion. Season with salt, black pepper, and garlic powder. Cook for 5 to 7 minutes, stirring occasionally until softened and lightly caramelized.
05 -
Melt butter in a clean skillet over medium heat until foamy. Place a tortilla in the pan, sprinkle with cheese, layer sliced steak and sautéed vegetables, then top with additional cheese and a second tortilla. Press firmly with a spatula to secure.
06 -
Cook each side for 2 to 3 minutes, flipping carefully, until the tortillas are deeply golden and crisp, and the cheese is fully melted inside.
07 -
Transfer the quesadilla to a cutting board, allow to cool for one minute to prevent cheese overflow. Slice into wedges using a sharp knife or pizza cutter. Serve topped with guacamole, sour cream, salsa, and fresh cilantro as desired.