HEAT oven to 350°F. Brown meat in large skillet on medium-high heat. Meanwhile, mix egg, 1-1/4 cups mozzarella cheese, the ricotta cheese, 1/4 cup Parmesan cheese and the parsley until well blended; set aside.

DRAIN meat; return to skillet. Stir in spaghetti sauce. Add water to empty sauce jar; cover with lid and shake well. Add to meat mixture; stir until well blended. Spread 1 cup of the sauce onto bottom of 13x9-inch baking dish; top with layers of 3 lasagna noodles, 1/3 of the ricotta cheese mixture and 1 cup sauce. Repeat layers twice. Top with remaining 3 noodles and the remaining meat sauce. Sprinkle with remaining 1-1/4 cups mozzarella cheese and remaining 1/4 cup Parmesan cheese. Cover with greased foil.

BAKE 45 min. Remove foil; bake an additional 15 min. or until heated through. Let stand 15 min. before cutting to serve.