Preheat the broiler.
Place eggs in one dish and flour in another for dredging.
Season chicken with salt and pepper.
In a large cast iron, heat 2 T. olive oil.
When hot, add garlic, tomatoes, shallots, salt/pepper.
Cook 5 mins and transfer to a bowl.
Add 2 more T. oil to the skillet with 3 T. butter.
Dip cutlets in egg, then flour, then into the hot skillet..
Cook 4 mins to brown the bottom.
Flip cutlets and add 3 more T. butter.
Cook 4-5 mins basting the chicken with the butter.
Top the cutlets with the tomato mixtures, nestle the mozzarella between the cutlets and broil just a few minutes (2-3) to melt the cheese.
Remove and top with parsley.
Squeeze fresh lemon juice over the chicken and sauce.