These baked fish fillets are topped with a simple seasoned crumb mixture. The buttery crumbs add flavor and crunch to the baked fish and they help keep the fish moist as it bakes. Feel free to season them with your favorite herb blend instead of the dried thyme. A salt-free herb blend is an excellent choice since the seafood will have some saltiness to it. Your family will love haddock in this recipe, but it is delicious with tilapia as well. You could also use cod or pollock fillets or another mild white fish. It's best to avoid overly oily and fatty fish like bluefish or salmon. If you can buy fresh fish, do it. If fresh fish is not an option, frozen fish filets will work fine in this recipe. Be sure to fully defrost them prior to cooking. You may also want to pat them down, as defrosted fish can be very liquidy. The cooking time depends on the thickness of the fish, so adjust accordingly. Serve this baked fish with your favorite side dishes, like rice, mashed potatoes, roasted veggies, or even a simple salad.