Step 1

Spray a stockpot with cooking spray.

Step 2

Melt butter in the prepared stockpot over medium heat; cook and stir celery, onion, paprika, seafood seasoning, thyme, salt, and white pepper until onion is translucent, about 5 minutes. Whisk flour into vegetable mixture until smooth and dissolved. Pour seafood stock over vegetable mixture.

Step 3

Mix half-and-half, cream, and milk into broth mixture; decrease heat and simmer until bisque is thickened, about 15 minutes. Add crabmeat and simmer bisque until crabmeat is heated through, about 5 minutes more.