Step 1
Drain ricotta cheese in a mesh strainer set over a bowl in the refrigerator 8 hours to overnight.
Step 2
Preheat the oven to 450 degrees F (230 degrees C).
Step 3
Season chicken with salt pepper and cayenne.
Step 4
Heat 2 tablespoons oil in a pan over medium-high heat. Cook chicken breasts in the hot oil until browned and just barely cooked through about 6 minutes per side. Turn off heat and splash in cold water stirring to deglaze. Transfer chicken and pan drippings into a bowl to let cool about 5 minutes. Dice or shred the chicken.
Step 5
Combine drained ricotta cheese salt pepper 8 ounces mozzarella cheese 8 ounces Monterey Jack cheese and 1 ounce Parmigiano-Reggiano cheese in a bowl. Mix with a spoon to evenly distribute. Add chicken the pan drippings and marinara sauce. Mix with a fork until just combined.
Step 6
Combine bread crumbs and remaining olive oil in the bowl used for the chicken and mix to coat.
Step 7
Transfer chicken mixture to an ungreased baking dish. Top with oiled crumbs 2 tablespoons Parmesan 2 tablespoons mozzarella and 2 tablespoons Monterey Jack cheese.
Step 8
Bake in the center of the preheated oven until browned and bubbly about 20 minutes.
Step 9
Let rest for 10 minutes. Garnish with parsley and serve with a spoon or spreading knife.