Trim and slice each breast into 2 thin cutlets or pound to about 1/2-inch thick. Season with salt, pepper, paprika and garlic powder.
Set up three bowls: flour, beaten eggs, and panko. Coat each cutlet in flour, dip in egg, then press into panko until well coated.
Heat oil in a skillet over medium-high. Cook cutlets 3–4 minutes per side until golden and cooked through. Drain briefly on a rack or paper towel.
Whisk olive oil, mayonnaise, Dijon, lemon juice and honey until smooth. Adjust seasoning and thin with a teaspoon of water if needed.
Toss greens with a bit of dressing, arrange on plates, top with sliced chicken, avocado, tomatoes and cheese. Drizzle extra dressing and serve immediately.
Notes
To keep chicken extra crispy, rest on a wire rack instead of stacking on plates.
Bake breaded chicken at 425°F (220°C) for 12–15 minutes as a lower-fat option.
Make the dressing up to 3 days ahead and store refrigerated in an airtight jar.