Saute the garlic, onion, black pepper, garlic powder, parsley and lemon zest in the oil on low to medium heat.

Add in the butter and once melted stir in the chicken and broccoli. Add in the cream and water and bring to a boil, then lower the heat to a simmer and thicken the sauce.

Boil pasta aldente, drain and mix in fresh lemon juice to taste. Then combine the sauce and pasta together and serve.