Butterfly chicken breasts. Coat with all purpose flour.
Whisk eggs. Coat chicken breasts in egg.
In a shallow pan combine panko, salt, pepper, cumin, cayenne, garlic powder, onion powder, and dried thyme.
Toss chicken breasts in panko mixture until coated well. Use your hands to pack the crumbs into the chicken.
Add peanut or canola oil to a cast iron skillet. - About 1" up the pan. Heat to 350 degrees.
Fry chicken breasts in cast iron skillet. Be careful to watch the temperature so the crust doesn't burn. Cook to an internal temperature of 165 degrees.
Remove and drain on paper towel or a rack.
Wash brussel sprouts. Cut the ends off, slice in half, and roughly chop.
Heat skillet to medium-high heat. Add olive oil and chopped brussel sprouts to pan. Stir frequently to prevent leaves from burning. Add lemon juice. Season with salt and pepper to taste. Cook approximately 6-8 minutes.
Layer panko chicken on a bed of rice or mashed potatoes. Top chicken with goat cheese. Add cooked brussel sprouts. Drizzle with balsamic reduction.