Brown beef, onion, garlic til beef is not longer pink; drain. Stir in water, t. paste, bouillon and oregano; simmer 30 minutes. Stir together cottage cheese 1 C. mozzarella cheese, Parmesan cheese and egg; mix well. Stuff cooked shells with cheese mixture; arrange in greased 13" X 9" baking dish/ Pour beef mixture over shells. Cover and bake in 350 degree oven for 40-45 minutes. Uncover and sprinkle with remaining M. cheese until cheese melts.
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Italian 3-cheese stuffed shells recipe