lemon chicken broccoli casserole + maille mustard
the penguin

lemon chicken broccoli casserole + maille mustard

This lemon chicken and broccoli casserole with potatoes is a hearty, comforting all-in-one meal.

Note: I was provided with free samples of Maille mustard, which I used in writing this post, but was not otherwise paid or compensated. Thanks, Maille!

Over the Christmas holiday my sister, who was expecting her second baby boy, went into labor. My parents scrambled to North Carolina in the middle of the night, and the next morning my nephew was born. We’re all elated to have a new family member, and I can’t wait to meet him later this week. In the meantime, I’m going a little crazy feeling like I should be doing something to help, even though I’m hundreds of miles away.


This feeling of needing to bring food, to lend a hand or to just be there — I think we all feel that during momentous life changes, no? In Malaysia, we didn’t have any family to help out for the first week after Ge Ge was born, so one of our local friends brought by a pan of homemade enchiladas that we could just slide into the oven and reheat. We doled out those enchiladas as carefully and deliberately as if we were splitting shares of stock, making the pan last over three meals. To this day, I still feel grateful and lucky and loved to have had those enchiladas in the early days of parenthood (when I was sleep deprived, unshowered and basically a disheveled mess). It also helped that they were insanely delicious.

That’s why today I’m sharing a recipe for lemon chicken and broccoli casserole with sliced potatoes and flavored with Maille mustard. It’s the kind of dish that can be prepped in advance and gifted to a friend or family member in need. It’s a comforting, all-in-one meal, and when I made it for my family, they licked the pan clean.

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This lemon chicken and broccoli casserole with potatoes is a hearty, comforting all-in-one meal.

I set out to make this recipe the way I do for all of my dishes: I take stock of what I have in my kitchen, and how far I can get without having to make a special trip to the grocery store. I don’t ever meticulously plan recipes in advance, mostly because I just don’t have the time!  Instead, I rely on a trusty base of ingredients when crafting my shopping list, then add specialty items for specific dishes I want to try. Chicken breasts, broccoli, lemon and potatoes are almost always among my “base” ingredients. While I’m always testing recipes, I also need these basics to make some solid, go-to dishes that I know the kids will eat. I might use the chicken breasts for pulled barbecue chicken or fajitas. The broccoli usually gets sautéed with soy-marinated flank steak and served with rice or put into my classic broccoli quiche. Potatoes — well, we love potatoes around here, whether they’re made crunchy with duck fat or mashed with sour cream and butter. My point is this: sometimes you can make new dishes, like this lemon chicken and broccoli casserole, out of things that you might already have lying around in your kitchen.

This lemon chicken and broccoli casserole with potatoes is a hearty, comforting all-in-one meal.

This lemon chicken and broccoli casserole (which has potatoes layered in the bottom) was easy enough to prepare and pop in the oven, although it took me lots of time to figure out how to style and photograph it. As it turns out, casseroles don’t photograph all that well. There’s a rich sauce that can easily look gloopy, and because it comes out of the oven piping hot, the steam can cause a hazy effect while you’re trying to get a clear photograph. Also, there may or may not be small children yelling for their dinner and a husband cajoling you to finish taking photos already.

This lemon chicken and broccoli casserole with potatoes is a hearty, comforting all-in-one meal.

All was forgiven quickly enough, once I put down my camera and scooped out heaping platefuls to my hungry family. The tang of lemon and the zest of Maille mustard really made this casserole much brighter and flavorful than your typically creamy casserole dish, and the kids devoured the broccoli without a second look. I love using Maille mustard for dishes like these because the mustard has a nice, smooth consistency with a satisfyingly tangy flavor. I’ve also stood inside the Maille store in Paris and clapped my hands loudly as they dispensed their house-made mustard FROM A TAP.  Seriously, after the Eiffel Tower, the Maille mustard store should be like, your second stop on any trip to the City of Lights. Any country that can support an economy whereby gourmet mustard can be dispensed via tap is a country I want to live in one day.

This lemon chicken and broccoli casserole with potatoes is a hearty, comforting all-in-one meal.

Of course, once we all sat down for dinner, the hubby asked for an extra side of mustard to smear on top of his helping. There’s a phrase in my family that we use whenever someone asks for an extra condiment or another little something-something when eating dinner. We call it, just like they do on cereal boxes, a “serving suggestion.” In this case, the hubby’s serving suggestion was to smear extra mustard all over the place. I dutifully obliged, then tried it myself — and whaddya know? Extra mustard totally works!

For inspiration in creating this recipe, I referenced this Pinch of Yum creamy chicken quinoa casserole and this lemon chicken casserole with potatoes from Gimme Some Oven.

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lemon chicken broccoli casserole + maille mustard

Time1 hour 25 minutes
Servings4 -6

Ingredients

  • 1.5 lb boneless (skinless chicken breasts, cut into 1-inch pieces)
  • 8 red potatoes (peeled and sliced)
  • 2.5 cups broccoli (roughly chopped)
  • 1/2 small white onion (thinly sliced)
  • 2.5 cups low sodium chicken broth
  • 1.5 cups milk
  • 3/4 cups flour
  • 1 clove garlic
  • 2 tablespoons Dijon mustard (I use Maille)
  • zest from 1 lemon
  • 1/4 cup grated Parmesan cheese (plus more for garnish (if desired))
  • 2 teaspoons salt (divided)
  • 2 teaspoons pepper (divided)
  • fresh flat leaf parsley for garnish (if desired)
  • butter or nonstick cooking spray (for greasing your casserole pan)

Instructions

  • Preheat the oven to 425 degrees. Grease a 9×13 with butter or non-stick cooking spray and set aside.
  • Bring the chicken broth and 1 cup milk to a low boil in a saucepan. Whisk the other ½ cup milk with the flour, 1 teaspoon salt and 1 teaspoon pepper; add the mixture to the boiling liquid and whisk until a creamy sauce forms. Add the Parmesan cheese and lemon zest and whisk thoroughly. Remove from heat and let cool slightly.
  • In a large mixing bowl, add the chicken, onions, garlic, 1 teaspoon, 1 teaspoon pepper, broccoli and potatoes and toss gently to combine. Slowly pour the creamy sauce over the chicken mixture and toss again gently so that the sauce is coating the vegetables and meat.
  • Pour the chicken mixture into the greased 9×13 pan. Cover tightly with aluminum foil and bake at least 1 hour until the potatoes are tender and the casserole is bubbly.Carefully remove the foil and switch your oven to the “broil” setting and broil the casserole for 2-3 minutes until the top is browned and slightly crispy, watching carefully to make sure it doesn’t burn. Garnish with more Parmesan cheese, salt, pepper and freshly chopped parsley if desired.

 

This lemon chicken casserole with broccoli and potatoes is a great, comforting winter meal that can be made in one dish!

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Conversations 4 comments

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KMLWPAsays:

The mustard, garlic, and remaining salt & pepper were left out of the recipe instructions. When/where are they used?

 
Vickisays:

4 stars
Good recipe – we enjoyed it. Although the prior comments refer to the mustard being left out of the instructions and then fixed, it’s still missing from the description — we added it to the milk/broth/flour mixture and it worked fine. Recommend at least tripling the garlic (if, like us, you can never get enough). We also doubled the lemon zest (and included some of the lemon juice), and think it might even be better with 3 lemons. Also added some cayenne pepper, and that really seems necessary for those that like a little heat — good match with the lemon, too. We didn’t add mushrooms, but think those would be a nice addition to this dish too.

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About me

I’m Ann, a mom / wife / lawyer / certified culinary enthusiast. I share recipes, travel guides and home life tips while living overseas. Currently based in São Paulo, Brazil.

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