Quick Grilled Steak Fajitas — What to Cook for Dinner in 25 Minutes

Steak fajitas on a Tuesday sounds like more work than it is. With skirt steak and a hot grill, you're looking at 10 minutes of prep and about 15 minutes of actual cooking — which means dinner is on the table before anyone starts asking if you ordered pizza.

Why This Recipe Works

• 25 minutes, honestly. Skirt steak is thin and cooks fast. High heat is your friend here.
• The grill does the work. Char on the steak and peppers means big flavor without a complicated sauce.
• Everyone builds their own. Fajitas are one of those meals where picky eaters self-select — the kid who won't touch peppers just skips them and moves on.
• One cutting board, one grill. Cleanup is minimal.
• Works as a summer dinner or any weeknight you need something that feels a little more interesting than the usual rotation.

Ingredients

• 1.5 lbs skirt steak
• 2 tablespoons olive oil, divided
• 1.5 teaspoons chili powder
• 1 teaspoon cumin
• 1 teaspoon garlic powder
• 0.5 teaspoon smoked paprika
• 0.5 teaspoon kosher salt
• 0.25 teaspoon black pepper
• 1 red bell pepper, sliced into strips
• 1 yellow bell pepper, sliced into strips
• 1 medium white onion, sliced into half-rings
• 8 small flour tortillas
• Optional toppings: sour cream, guacamole, shredded cheese, lime wedges, fresh cilantro

Instructions

1. Pat the skirt steak dry with paper towels. Rub all over with 1 tablespoon olive oil, then coat evenly with the chili powder, cumin, garlic powder, smoked paprika, salt, and pepper.
2. Preheat your grill or grill pan over high heat for at least 5 minutes — you want it very hot before the steak goes on.
3. Toss the sliced peppers and onion with the remaining 1 tablespoon olive oil and a pinch of salt.
4. Grill the steak 3-4 minutes per side for medium-rare, or 4-5 minutes per side for medium. Skirt steak is thin — it cooks fast. Pull it off when it has good char marks and an internal temp of 130-135°F for medium-rare.
5. While the steak rests, place the peppers and onions directly on the grill grates or in a grill basket. Cook 4-5 minutes, tossing once, until softened and charred at the edges.
6. Let the steak rest for 5 minutes, then slice thinly against the grain. This step matters — cut with the grain and it'll be chewy.
7. Warm the tortillas directly on the grill grates for about 30 seconds per side. Serve the steak and vegetables with tortillas and your choice of toppings.

Tips and Substitutions

• No skirt steak? Flank steak works nearly the same way — just add 1-2 minutes per side and slice thin against the grain. Flap meat (also called sirloin tip) is another solid option.
• No grill? A cast iron skillet over high heat gets you most of the same char. Get it screaming hot, crack a window, and don't move the steak once it's down.
• Make it chicken: Boneless thighs with the same spice rub, 5-6 minutes per side on a hot grill. Just as fast, whole family approves.
• Gluten-free swap: Corn tortillas instead of flour — warm them wrapped in a damp paper towel in the microwave for 45 seconds so they don't crack when you fold them.
• Prep ahead: Mix the spice rub and store it in a small jar. On a busy night, all you're doing is rubbing it on the steak and turning on the grill. The peppers and onion can be sliced the night before and kept in the fridge.
• Leftovers: The steak and peppers reheat well in a skillet over medium heat for about 3 minutes. Works great over rice the next day if you run out of tortillas.

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