This tasty Crab Casserole is a creamy, cheesy seafood delight perfect for weeknight dinners, holiday meals, or potlucks. Made with lump crab meat, cream cheese, mayo, cheddar, Old Bay seasoning, and green onions, it’s baked to golden, bubbly perfection. Serve it as a main dish or an appetizer dip! Keywords: crab casserole, seafood casserole, baked crab dish, creamy crab bake, cheesy seafood recipe, lump crab meat, holiday appetizer, easy seafood dinner, party dip, comfort food recipe.