Three Cheese Pasta Bake

1 (16-ounce) package ziti
2 (10-ounce) containers refrigerated Alfredo sauce
1 (8-ounce) container sour cream
1 (15-ounce) container ricotta cheese
2 large eggs, lightly beaten
1/4 cup grated Parmesan cheese
1/4 cup chopped fresh parsley
1 1/2 cups mozzarella cheese
Prepare ziti according to package directions; drain and return to pot.
Stir together Alfredo sauce and sour cream; toss with ziti until evenly coated. Spoon half of mixture into a lightly greased 13- x 9-inch baking dish.
Stir together ricotta cheese and next 3 ingredients; spread evenly over pasta mixture in baking dish. Spoon remaining pasta mixture evenly over ricotta cheese layer; sprinkle evenly with mozzarella cheese.
Bake at 350° for 30 minutes or until bubbly.
Note: Ziti pasta is shaped in long, thin tubes; penne or rigatoni pasta may be substituted, if desired.
Adapted from http://www.myrecipes.com/recipe/three-cheese-pasta-bake-10000001033041/

NOTE: I made this for a client moving-in dinner – only I added 4 chicken breasts (cooked and shredded). It was wonderful!!!!!