Add cubed chicken and drained cooked broccoli to a 9x13 inch baking dish. Season with salt/pepper and all purpose seasoning. Set aside.
In a medium saucepan, add butter. Melt over medium high. Add garlic. Once melted, add heavy cream, Simmer over medium low heat.
Once cream butter mixture heats up(small bubbles will form around the edges)Add the shredded parmesan, stirring constantly until melted and smooth. remove from heat.
Pour over the chicken and broccoli. Mix thoroughly. Add shredded cheese. Stir well.
Bake for 30 minutes, or until bubbly and golden. Let set 15 minutes before serving.