Place the cornflakes in a Ziploc bag or a food processor and crush into crumbs/small flakes. Mix in a bowl with Italian seasoning, garlic salt, and black pepper. Whisk the eggs in another bowl.
Pat the chicken breasts dry with paper towels. Dip each piece of chicken into the egg and then press it into the cornflake mixture, flip and press the other side. You may need to repeat pressing it in the cornflakes to make sure it is completely coated.
Place the chicken in a greased 9x13 inch pan or on a baking sheet. Drizzle the butter over the top. Bake for 25 to 30 minutes or until the internal temperature reaches 165 °F.
If you are making this recipe as GLUTEN-FREE, be sure to use a brand of corn flakes that are known to be GF.