01 -
Preheat oven to 400°F (204°C). Brush both sides of corn tortillas with oil and arrange in a single layer on a baking sheet.
02 -
Bake tortillas for 8-10 minutes, flipping halfway through, until golden and crisp. Set aside to cool.
03 -
In a medium bowl, combine shredded chicken, salsa, and taco seasoning. Mix thoroughly to evenly coat the chicken.
04 -
In a small saucepan over medium heat, combine black beans and corn. Stir occasionally until heated through, about 4-5 minutes.
05 -
Top each crisped tortilla with a layer of the bean and corn mixture, followed by the seasoned chicken. Sprinkle generously with shredded colby jack cheese.
06 -
Return assembled tostadas to the oven for 5 minutes, or until cheese melts and is bubbly.
07 -
Serve tostadas immediately, garnished with freshly chopped cilantro if desired.