Heat oven to 400 degrees. Cook beef over medium-high heat 5-7 minutes, stirring occasionally, until thoroughly cooked; drain. Stir in oregano, basil, tomato paste and 1/2 cup of mozzarella.
Spray 8 inch square (2 qt.) glass baking dish with cooking spray. Layer cottage cheese and Parmesan in baking dish. Spoon beef mixture evenly over top of cheese.
In medium bowl, stir Bisquick mix, milk and eggs with wire whisk or fork until blended. Pour into dish.
Bake 30 to 35 minutes or until knife inserted in center comes out clean.
Sprinkle remaining 1 1/2 cups mozzarella over top. Bake 2 to 3 minutes longer or until cheese is melted. Let stand 5 minutes before serving and garnish with tomatoes and basil leaves.