Using matzo--unleavened flatbread--for the coating makes this easy dinner recipe very Passover-friendly; water crackers are a good substitute.
Beat egg in a shallow dish. Mix crushed matzos, salt, and pepper in another shallow dish. Heat 1/2 inch of oil in a large cast-iron skillet until it registers 375 degrees on a deep-fry thermometer.
Working with 1 at a time, dip cutlets into egg, then into matzo, pressing to adhere and coating both sides. Place 2 cutlets in skillet, and cook until golden brown, about 2 minutes per side. Transfer to paper towels. Repeat with remaining 2 cutlets. Serve immediately with lemon wedges.