Prep the oven and pan: Heat the oven to 400°F (200°C). Lightly spray a 9x13-inch baking dish with cooking spray or brush with oil.
Season the chicken: Pat the chicken dry.
Season both sides with salt, pepper, garlic powder, onion powder, and 1 teaspoon of Italian seasoning. Drizzle with olive oil and rub to coat.
Sear for extra flavor (optional but recommended): Heat a large skillet over medium-high. Sear the chicken 2–3 minutes per side until lightly browned.
You don’t need to cook it through; it will finish in the oven.
Layer the base: Spread 1 cup of marinara in the baking dish. Nestle the chicken on top in a single layer.
Boost the protein: Dollop the cottage cheese over the chicken and gently spread. Sprinkle with half of the mozzarella.
Add sauce and seasoning: Spoon the remaining marinara over the top.
Sprinkle with the remaining Italian seasoning and a pinch of red pepper flakes if using.
Make the crunchy topping: In a bowl, mix panko, Parmesan, and a drizzle of olive oil until the crumbs are lightly coated. Scatter evenly over the chicken.
Finish with cheese: Top with the remaining mozzarella for a golden, melty finish.
Bake: Place on the center rack and bake for 20–25 minutes, or until the chicken reaches an internal temperature of 165°F (74°C) and the top is browned and bubbly.
Rest and garnish: Let the bake rest for 5 minutes. Sprinkle with chopped basil or parsley before serving.