Step 1

Instructions

Step 2

Melt butter in a 4-qt. saucepan over medium heat. Add onion and cook, stirring often, until softened, about 5 minutes. Add flour and Old Bay, and cook for a further 3 minutes. Whisking constantly, add half & half; bring to a boil, reduce heat to medium-low, and simmer, stirring occasionally, until thick, about 5 minutes. Add crab meat and cook an additional 1–2 minutes, until heated through. Season with salt and pepper and serve with a drizzling of dry sherry.