Creamy Ham 'n' Macaroni

2 c. uncooked elbow macaroni
1/4 c. butter, cubed
1/4 c. flour
2 c. milk
4 teaspoons chicken bouillon granules
1/4 tsp. pepper
2 c. shredded cheddar cheese
1 1/2 c. fully cooked ham
1/4 c. grated parmesan cheese
Cook macaroni. Drain and set aside. Melt better over low heat; whisk in flour until smooth. Whisk in milk, bouillon and pepper. Bring to a boil; cook and stir for 2 minutes. Remove from the heat. Stir in 1 c. cheese, ham, parmesn and macaroni. Pour into a greased baking pan. Sprinkle with remaining cheese. bake, uncovered for 20-25 minutes at 350 degrees.