In a dredging bowl, whisk the egg and mayonnaise together and set aside.
In another dredging bowl, combine all of the dry ingredients.
Cover a cutting board with plastic wrap.
Place one steak on the cutting board and cover it with plastic wrap.
Use a meat tenderizer and pound until thin.
Repeat for the remaining three steaks.
Dredge each steak in the wet mixture, turning to cover both sides and then dredge in the dry mixture, covering both sides.
In a deep skillet, heat the oil until hot.
Add the breaded schnitzels to the hot oil.
Fry the schnitzels until golden brown on both sides. (about 3-4 minutes per side)
Remove from heat and serve immediately.