Preheat oven to 400°F or temperature in directions on dough package or recipe.
Prepare pizza dough according to recipe or directions on package to make a 12 to 14-inch pizza.
Spread dough on the greased cookie sheet.
In a medium bowl, add cream, lemon juice, pepper and Parmesan cheese. Mix well, to make the white sauce.
Spread 1/2 prepared sauce on dough.
Place broccoli pieces evenly over dough.
Place chicken pieces evenly over dough.
Place mozzarella cheese pieces evenly over dough.
Drizzle remainder of the white sauce over the top of the pizza.
Bake pizza according to dough recipe or directions on the package -- Or in oven preheated to 400°F for about 12 - 15 minutes until cheese has melted and crust has browned on bottom.
Remove from oven. Set aside to rest for about 2 minutes.
Cut into pieces and serve.