Press the tofuIf you don't have a tofu press, and who does?Place 3 layers of paper towels or a clean kitchen towel on a plate. Place tofu on towels and cover with another 3 layers of towels or another clean kitchen towel. Place a heavy can or skillet on top of tofu to press moisture out, pouring off excess water and replacing towels as they get soaked, 30 to 45 minutes Preheat oven to 425FIf you're using a cast iron pan, preheat with the oven Break or cut tofu into 1" cubes and toss into a bowl or bag
Drizzle tofu with oil, and toss to coat
Sprinkle on cornstarch, and toss to coat
Line baking sheet with parchment paper, and arrange tofu cubes so they don't touch each other
Bake for 12 minutes, flip the cubes over, and bake for another 12 minutes