1. In a saucepan over medium high heat, melt the butter
2. Add the celery and green onions to the melted butter
3. Saute until the vegetables begin to soften
4. Stir in the flour and saute for another minute
5. Heat the milk until it is warm
6. Then add the warm milk to the saucepan and whisk to combine and eliminate the lumps
7. Whisk in the heavy cream, tomato paste, and the Old Bay Seasoning
8. Bring to a low simmer and continue to cook until the Bisque begins to thicken
9. Stir in the crab meat and the shrimp and heat until the meat is heated through
10. Top with fresh parsley as a garnish