Preheat the oven to 375°F.
Melt butter in a large pot over medium heat.
Stir in flour and cook for 1 minute.
Slowly add milk and heavy cream while stirring.
Cook for 3 minutes until thick.
Add salt, pepper, paprika, garlic powder, and onion powder.
Mix in lemon juice and lobster meat.
Pour the mix into a baking dish.
In a bowl, mix bread crumbs, Parmesan cheese, and parsley.
Sprinkle this mix on top of the lobster.
Bake for 20-25 minutes until golden brown.
Let it cool for 5 minutes before serving.