Pesto Chicken Lasagna Sandwich

Name: Pesto Chicken Lasagna Sandwich
Ingredients: 1 bunch parsley; 1 bunch basil; 1/2 cup pistachios; 1/2 cup oil (olive, grapeseed, etc); 1 pound pounded chicken breasts; 1 1/2 cups bread crumbs; 1 tablespoon fresh ground black pepper; 2 tablespoons garlic powder; 2 tablespoons flour; 2 eggs; 2 tablespoons milk; 1 tablespoon pepperoncini brine; 1 cup ricotta cheese; 4 pieces sourdough bread; 2 tablespoons onion oil; 1 package lasagna noodles; 2 roma tomatos; 1 medium sweet onion; 3 tablespoons oil, for onions