In a small bowl, combine ricotta and egg until smooth.
In a medium bowl, stir ½ cup Parmesan, mozzarella, and olive oil until combined.
Lay out 4 double-layer sheets of foil. Spray with olive oil spray.
Run each noodle under cold water and set on a plate.
Place one noodle on each piece of foil. Top with rounded ¼ cup of meat sauce. Add 3 small dollops of ricotta/egg mixture and spread to combine with meat sauce. Sprinkle with ½ of cheese mixture. Top with another noodle. Repeat layers and top last noodles with remaining meat sauce and ½ cup Parmesan cheese.
Bring the foil together for each packet, and pinch and fold tightly to make 4 flat packets.
Grill packets, uncovered, for 10 minutes per side. Let stand for 5 minutes before opening.
Recipe by Simple, Sweet & Savory at https://www.simplesweetsavory.com/grilled-lasagna/