In a large pot of boiling water, cook oasta until tender. Meanwhile, in a large bowl, blend the mayonnaise, parmesan cheese, vinegar, oregano, thyme, salt, pepper, and garlic powder.
Drain and rinse pasta and add to the mayonnaise mixture; mix well. Add the chopped eggs, mozzarella cheese, red pepper, and scallions. Mix just until combined.
Serve immediately, or cover and chill for serveral hours or overnight to blend flavors.
NOTES: Add some diced salami or pepperoni and the salad becomes a whole meal in itself. For flavor variations, add 1/2 teaspoon dillweed or basil.Servings: