01 -
Melt butter in a saucepan over medium-high heat. Add celery and green onions, cooking until softened
02 -
Stir in flour and cook for one minute. Meanwhile, warm the milk separately
03 -
Add warmed milk to the saucepan, whisking until smooth. Add Old Bay Seasoning, salt, pepper, heavy cream, and tomato paste, whisking to combine
04 -
Reduce heat and simmer until the bisque begins to thicken
05 -
Add shrimp and crab meat, cooking until heated through. Garnish with fresh parsley before serving