Preheat oven to 400 degrees fahrenheit (200~celsius).
Grind the oats to create oat flour or use oat flour.
Add the garlic, salt, pepper, mustard and eggs into a bowl and mix.
Finely coat a flat plate with Panko breadcrumbs.
Coat another plate with the oat flour.
Coat the chicken with the oat flour and set aside.
Put each chicken piece into the egg mixture.
Take the chicken and coat it with the panko breadcrumbs.
Place the chicken breast onto an oven tray covered with backing paper. Do the same process with all slices of chicken breasts.
Place into the oven for 5 minutes, turn over for 5 more minutes
To get a brownish look, set the oven to grill mode for 3 more minutes.
Take out the schnitzel and serve. Garnish with lemon which can also be squeezed above