Boil the lasagna noodles according to package directions.
While noodles are boiling, saute chicken and peppers in a skillet.
Mix ricotta, egg, and 1 c. mozzarella in a small bowl.
In 13x9 pan, pour 3/4 c. sauce. Lay 3 noodles across. Spread 1/3 chicken mixture on noodles. Top with 1/2 ricotta mixture. Top with 1 1/2 c. marinara sauce.
Top with 3 more noodles, 1/3 chicken mixture, remaining ricotta and 1 1/2 c. marinara.
Layer last 3 noodles, remaining chicken mixture and remaining marinara.
Top with 1 c. mozzarella.
Cover pan with foil. Bake at 350 for 50 minutes. Uncover and bake for 5-10 minutes, until cheese becomes golden.