Cheese Broccoli Ham Bake

16 ounces rotini pasta
1 (14 ounce) package frozen broccoli, cooked and drained
1 Tbls olive oil
2 cups diced fully cooked ham
2 cups shredded cheddar cheese

1/2 cup butter
1 (8 ounce) package cream cheese
2 teaspoons garlic powder
2 cups milk
6 ounces grated Parmesan cheese
1/2 teaspoon ground black pepper
1 tsp. salt
Cook pasta for 10-12 minutes, drain and pour into a 10*15 inch greased casserole dish.  In a nonstick saucepan heat oil and add diced ham.  Cook ham til browned, add broccoli til water evaporates.  In a seperate saucepan melt butter, add garlic powder and cream cheese stirring with wisk til smooth.  Next add milk, parmesan salt and black pepper whisking til smooth, allow sauce to bubble and thicken.  pour sauce over pasta, add meat and broccoli and cheese, stir together and bake in a preheated 350* oven for about 1/2 hour.