Cheesy Sheet Pan Baked Chicken Tacos Step-by-step instructions

Before you start

Before starting, cut the chicken breast into even 1/2-inch cubes and measure out all the spices. Shred the Monterey Jack if not already shredded.

Have a large baking sheet ready — no need to line it, the oil and cheese will create a natural non-stick layer. Preheat the oven only after the chicken is seared, so the tortillas don't sit too long before baking.

Instructions

Sear and Season

1. 1Sear the Chicken
   Heat 1 tablespoon of olive oil in a large skillet over medium-high heat. Add the cubed chicken breast in a single layer. Cook without stirring for 2 minutes until browned on one side, then stir and continue cooking for 4 to 5 minutes until the chicken is no longer pink. Sprinkle with taco seasoning, cumin, smoked paprika, and garlic powder. Stir in the tomato paste and 2 tablespoons of water. Cook for 1 to 2 minutes until the chicken is coated in a glossy, thick sauce. Remove from heat.
   Look for The chicken is browned and the sauce clings to every cube without being watery.
   Safe temperature 165°F (74°C) internal temperature (poultry)
   Tip Cut the chicken into even 1/2-inch cubes so they cook quickly and evenly.
2. 2Preheat the Oven
   Preheat the oven to 425°F (220°C). While the oven heats, brush the remaining 1 tablespoon of olive oil over both sides of each corn tortilla. Arrange the tortillas on a baking sheet, overlapping slightly if needed.
   Look for The tortillas are lightly coated with oil but not dripping.
   Tip Brushing both sides ensures the shells crisp evenly in the oven.

The chicken cubes are browned on the outside and cooked through, coated in a thick, glossy red sauce. The kitchen smells of toasted cumin and smoked paprika.

The chicken should be tender and juicy, with no pink remaining. Before moving on, taste the filling and adjust salt if needed.

Assemble and Top

3. 3Assemble the Tacos
   Sprinkle about 1/4 cup of shredded Monterey Jack cheese over half of each tortilla, spreading it to the edges. Spoon about 2 tablespoons of the spiced chicken over the cheese. Fold each tortilla over to form a half-moon shape. Press gently so the filling stays in place.
   Look for Each taco is well-filled but not overflowing, with cheese visible at the edges.
   Tip Keep the filling on one side only so folding is neat and the shell stays intact.
4. 4Top with Cheese
   Sprinkle the remaining Monterey Jack cheese over the top of each folded taco, letting some fall onto the baking sheet around the edges. This creates the crispy cheese skirt as it bakes.
   Look for The cheese covers the top of each taco and forms small piles on the sheet.
   Tip The cheese that melts onto the pan will turn into golden, crispy edges — don't skip it.

The tortillas are brushed with oil and folded over the filling, with cheese scattered over the top and edges. The baking sheet is filled with neat half-moons, ready for the oven. The cheese looks abundant but not piled too high. The tortillas should be pliable and not cracking.

Bake and Crisp

5. 5Bake the Tacos
   Bake the tacos on the middle rack for 12 minutes, until the shells are deeply golden and crisp and the cheese is bubbly and browned in spots. The edges of the cheese on the sheet should be deep golden and lacy.
   Look for The shells look shatteringly crisp, and the cheese has turned golden with crispy edges.
   Tip If the cheese isn't browned after 12 minutes, broil for 1 to 2 minutes, watching closely.
6. 6Rest and Serve
   Remove the baking sheet from the oven and let the tacos rest on the pan for 2 to 3 minutes. This lets the cheese set slightly and makes the tacos easier to lift. Serve warm with sour cream and salsa for dipping.
   Look for The cheese has set just enough to hold the taco together when lifted.
   Tip Use a thin spatula to lift the tacos, scraping up the crispy cheese edges.

The shells are deeply golden and shatteringly crisp, with the cheese melted into a golden crown around the edges. The cheese on the sheet is lacy and browned. The tacos hold together when lifted, and the filling is hot and juicy. Let them rest briefly before serving.

Common mistakes

A common mistake is overfilling the tacos, which makes them hard to fold and can cause the filling to spill out. Another is using cold tortillas straight from the fridge — they may crack. Warm them slightly first.

Don't skip the oil on the tortillas; without it, they won't crisp. Also, avoid opening the oven during baking, as the temperature drop can make the shells chewy instead of crisp.

How to tell it’s done

The tacos are done when the shells are deeply golden and crisp to the touch, and the cheese is fully melted with browned spots on the edges.

The internal temperature of the chicken should reach 165°F (74°C) when checked with an instant-read thermometer. Let the tacos rest for 2 to 3 minutes before serving so the cheese sets and the shells stay crisp when lifted.

• Poultry: 165°F (74°C) in the thickest part