In a shallow bowl, combine the cornmeal, chili powder, oregano, 1 teaspoon salt and 1/4 teaspoon pepper. In another shallow bowl, beat the eggs. Working with one at a time, coat the chicken tenders with the cornmeal mixture, dip into the egg, then coat again with the cornmeal. Transfer to a large plate.
To make it more healthy cook them in the oven with this method : Instead of frying, baking in a 450°F oven for 12 minutes.
In a large skillet, heat 1/4 cup oil over medium heat. Add half of the chicken and cook, turning once, until golden, 5 to 6 minutes. Transfer to a plate and tent with foil to keep warm. Repeat with the remaining oil and chicken tenders.