After testing out a ton of haddock recipes, I've decided this baked version is the best. The mix of crunchy topping and lemon is just delicious. —Jean Ann Perkins, Newburyport, Maryland
Preheat oven to 350°. Cut fish into 6 serving-sized pieces. Place in a greased 11x7-in. baking dish. Combine remaining ingredients; sprinkle over fish. Bake until fish just begins to flake easily with a fork, 20-25 minutes.