Steam broccoli and chop chicken. Set aside. Boil and drain pasta as directed on package. Melt butter in medium saucepan over medium heat. Add minced garlic with the butter and saute until tender. Add cream, garlic powder, and pepper. Simmer, uncovered, for 10 to 12 minutes or until thick, stirring frequently. When sauce has reached desired consistency, stir in Parmesan cheese. Pour chicken and broccoli in the sauce and stir. Add in Pasta and toss. Sprinkle top with parmesan cheese.