Fajita Tray Bake Recipe

1 large yellow bell pepper, washed, seeded, and sliced lengthwise into 1/2-inch-thick pieces

1 large green bell pepper, washed, seeded, and sliced lengthwise into 1/2-inch-thick pieces

1 large red bell pepper, washed, seeded, and sliced lengthwise into 1/2-inch-thick pieces

1 large white onion, peeled and sliced lengthwise into 1/2-inch-thick pieces

1 large red onion, peeled and sliced lengthwise into 1/2-inch-thick pieces

5 to 7 tablespoons seasoning mix, Mexican, divided

9 to 11 tablespoons vegetable oil, divided

500 grams pork tenderloin, sliced crosswise into 1/2-inch-thick pieces and tenderized by piercing with a fork

salt and pepper, to taste