HEAT oven to 375°F. Brown meat with garlic and oregano in saucepan. Stir in pasta sauce; simmer 5 min., stirring occasionally. Remove from heat; stir in tomatoes.
SPREAD 1/2 cup sauce mixture onto bottom of 13x9-inch baking dish. Cover with layers of 3 noodles, 1 cup cottage cheese, 1/2 cup mozzarella and 1 cup remaining sauce mixture. Repeat layers. Top with remaining noodles and remaining sauce mixture. Cover with foil.
BAKE 30 min. or until heated through. Uncover; top with remaining mozzarella. Bake, uncovered, 5 min. or until mozzarella is melted. Let stand 5 min. before serving.