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Home » Seafood

What to Serve with Baked Haddock (14 American Sides)

Published: Dec 6, 2024 · This post may contain affiliate links. As an Amazon Associate, I earn from qualifying purchases at no extra cost to you.

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Baked haddock on a white plate with lemon and potatoes

Baked haddock can be an easy, weeknight meal but maybe not as exciting as if you deep fried it. Sometimes, it just takes a few good supporting actors to make that plain, white filet shine. These easy side dishes can help perk up that flaky, white filet and make it worthy of playing the starring role on your plate.

Baked haddock on a white plate with lemon and potatoes

A Brief Intro to Haddock

Haddock is a versatile fish from the Atlantic Ocean akin to cod. It can be deep fried, grilled, pan fried, braised, and steamed for wonderful effect. Wild caught haddock is a sustainable seafood choice because it is sustainably managed and responsibly harvested under U.S. regulations.

Because of its East Coast origins, I would serve New England inspired side dishes with it. Because it’s baked rather than deep fried or grilled, I would serve it with side dishes that provide textural and flavor contrast such as something crispy, chewy, soupy, or creamy. Because it’s probably white or brown in color, consider bright colors to liven up the plate. 

Start with these 14 ideas to sit alongside that piece of flaky, tender haddock.

Honey Garlic Brussel Sprouts

Honey garlic burssel sprouts on a pink round plate

Once you eat one of these, it is hard to stop. The little bit of honey sweetness makes these surprisingly addictive. The recipe comes together easily in the oven or air fryer. Just make sure you keep in mind the one key tip for cooking brussel sprouts at home.

Honey Garlic Brussel Sprouts Recipe

Butternut Squash Apple Soup

Butternut squash apple soup in a gray bowl with coconut milk, pumpkin seeds, and fresh thyme garnish

Did you know this is Ina Garten’s favorite soup recipe? Instead of a plain butternut squash that’s pureed, this recipe adds fresh apples and some curry spice. Make a big batch and freeze the leftover for later.

Butternut Squash Apple Soup Recipe

Kale and Baby Spinach Salad

This fresh fall take on a kale salad comes from Chef Bobby Flay. Fresh apple cider is reduced to make a sweet and sour vinaigrette. Wild rice grains add texture along with crunchy pomegranate seeds and soft baby spinach leaves.

Kale and Baby Spinach Salad Recipe

Grandma Figa’s Potato Latkes

Potato latkes on a wire rack with bowls of applesauce and sour cream on the side

Something crispy next to a filet of baked haddock would never be a bad idea. You could serve it with crispy french fries or crispy, roasted potatoes, or you could try it with these potato latkes. 

Grandma Figa served these for Hanukkah. Her latkes have ‘a fluffy, soft interior, more like a pancake,’ whereas other latkes can be thin and crisp. These latkes are made with grated russet potatoes, onion, eggs, and some matzo meal to hold them together. Top with applesauce and sour cream.  (A recipe is also included to make your own homemade applesauce.)

Grandma Figa's Potato Latkes Recipe

Boston Brown Bread (no yeast needed) 

Slices of Boston brown bread with tin cans in the back

A slice of fresh baked bread can truly make any main dish more enjoyable, including haddock. Boston brown bread is a quick bread that can be thrown together similar to Irish soda bread.

Originating back into colonial times, Boston brown bread is a classic New England side dish traditionally made in can. Why? For those who didn’t have ovens (back in the olden days), a can can be steamed on the stovetop or cooked over an open fire making this bread available and affordable to everyone. 

What also makes this bread super easy to make is that there is no yeast. Leavened with just baking soda, this bread has simple ingredients you already have such as all purpose flour, raisins, cinnamon, butter, sugar, eggs, and vanilla extract. 

Boston Brown Bread Recipe

Sweet Potato Casserole

Close up of sweet potato casserole on a spoon

If you want to avoid cream, since your fish already has cream in it, try this sweet potato casserole. Cooked sweet potatoes are mashed with eggs, maple syrup, and vanilla extract. A crunchy pecan streusel is layered on top for an easy, make ahead casserole. 

Sweet Potato Casserole Recipe

Brown Sugar Baked Beans

Boston baked beans in white ramekins with bacon bits on top

I really like pairing white fish with a side of beans. Since haddock is so tender and flaky, a side of substantial beans is a nice textural contrast. 

A classic New England bean dish are baked beans, especially with bacon. This easy recipe is seasoned with brown sugar, mustard powder, ketchup, onion powder, and black pepper. 

Brown Sugar Baked Beans

Nova Scotia Seafood Chowder

Nova scotia seafood chowder in a white bowl on a gray and white speckled background

There is New England clam chowder, and then there’s Nova Scotia Seafood Chowder. Nova Scotia is a Canadian province located on the East Coast, to the northeast of Maine. You might know Nova Scotia for the famed Prince Edward Island, the famed home of black mussels and Anne of Green Gables. 

Nova Scotia seafood chowder is similar to New England clam chowder, with a thick base of cream and potatoes. However, this version uses a variety of seafood including lobster, scallops, and haddock in addition to bacon.

Nova Scotia Seafood Chowder Recipe

Sweet Potato and Granny Smith Apple

cubes of sweet potato and granny smith apples on a white round plate

If you’re looking for something you can easily throw in the oven on a sheet pan while the haddock bakes, this combination of sweet potatoes and Granny Smith apples is enticing. The sweet potatoes provide sweetness while the apples provide tartness. Sweetened with maple syrup and a dusting of cinnamon, it’s like crustless pie next to your fish. 

Sweet Potato and Granny Smith Apple Recipe

New England Clam Chowder

Manhattan clam chowder in a small white crockpot

I can’t think of a more classic pairing for haddock than a cup of classic clam chowder. This one starts by sauteeing smoky bacon with butter, onion, and dried thyme. Canned clams are added along with potatoes and half and half. Then the whole thing is thickened with cornstarch. No super special ingredients are required. 

New England Clam Chowder Recipe

Oyster Stew

oyster stew in a white bowl

Did you know that oyster stew is a traditionally served on the East Coast on Christmas Eve? The recipe first came to New England by Irish immigrants who adapted their traditional ling fish stew to the plentiful oysters available on the East Coast. 

In this recipe, freshly shucked oysters are mixed into a creamy soup base made of leeks, butter, cream, and sherry. Make a big batch and freeze for later. 

Oyster Stew Recipe

New England Vegan Clam Chowder

Vegan clam chowder in a beige crock

If heavy cream and bacon aren’t your thing, might I suggest this vegan version of the famed New England soup. Hearts of palm substitute for the “fish”. Coconut milk is substituted for heavy cream. Potatoes, celery, and corn fill out the bowl. Oh and this recipe is also gluten free. 

New England Vegan Clam Chowder

Oven Cooked Peas

Green peas with a wooden spoon

We must not forget about the humble green pea. So simple, so green, and the best kind of mushiness. These little green nubs will look so beautiful next to a filet of haddock. Better yet, these are taken straight from the freezer. No thawing needed! And you must always have a bag of frozen peas in the oven. 

This recipe works especially well if you have a big crown to feed, but you can cut it down to size. Frozen peas are simply mixed with butter, salt, garlic powder, and black pepper. Bake at 400 degrees covered in foil until cooked through. 

Oven Cooked Peas

Grandma Peggy’s Butternut Squash

Mashed butternut squash in a bowl with a sprig of fresh thyme

Grandma Peggy made this butternut squash mash for every Thanksgiving, Christmas, and Easter. If it’s good enough for a holiday, it’s sure good enough to serve with haddock. Grandma Peggy ‘never added spices, milk, or brown sugar’, and neither should you. Just cook peeld squash cubes, mash with a little butter, and add a teeny bit of white sugar if needed. 

Grandma Peggy's Butternut Squash Recipe


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I cooked in professional kitchens for 10 years, but at home I can barely get myself to boil water.

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