Creamy Wild Rice Casserole With Mushrooms

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Y’all, this Creamy Wild Rice Casserole With Mushrooms bake has so much goodness loaded in it. The combo of the wild rice, mushrooms, kale, and creamy sauce blend perfectly together. It makes the perfect side but is also hearty enough to stand as a meal. Even though this meal is hearty, it is also an amazing vegetarian wild rice dish as well. Another thing I love about this recipe is everything is made from scratch, but don’t’ be intimidated, it will be much easier than you think!

Creamy wild rice casserole baked in a ceramic pie dish

Meal Prep

One of the great things about this recipe is it can be made entirely in advance, then baked the day of. This is especially helpful when you are prepping for a busy holiday meal, or even a family get together you want to be able to enjoy instead of slaving away in the kitchen.

Wild Rice

Wild rice is the star of this dish. While wild rice technically isn’t classified as rice, it’s a cereal, I will still refer to it as rice throughout the recipe for familiarity’s sake. You could also use a wild rice blend, but I personally prefer only wild rice. To prep your rice for cooking, first, rinse it well. The rice for this dish HAS to be cooked first. The baking time isn’t enough to cook it enough, so cooking beforehand is necessary.

wild rice for wild rice casserole washed in a strainer

Next bring your stock, water, or a mix of both to a boil. Add in your wild rice and cook about 30-35 minutes on low. Be mindful you don’t cook it until it is mushy, as we will be baking it as well. Once it is done, remove the lid and allow it to cool. The rice can easily be cooked the day before and store in the fridge covered.

wild rice cooked in a stainless steel cuisinart pan

Assembling and Prepping Ingredients

Here is what you will need for your wild rice bake:

  • Cooked Wild Rice
  • mushrooms of choice. I used a portabello, and baby bella mushrooms.
  • parmesan cheese
  • gruyere cheese
  • fresh thyme, if you have it. If not, dried is great too.
  • heavy cream
  • vegetable stock
  • onions
  • garlic
  • flour
  • olive oil
  • kale- this is optional, but I really recommend it
ingredients for wild rice bake on wood cutting board onions gruyere parmesan cheese mushrooms kale fresh thyme and heavy cream

It is always best to prepare all ingredients. This is referred to as mise en place, a French term meaning- having everything in place. This makes cooking and baking so much easier. No scrambling at the last minute looking for/ or prepping an ingredient. I cut up all my ingredients and had them ready to go.

woman slicing onions and portabella mushrooms on wooden cutting board.

Putting The Wild Rice Bake Together

It is important to have everything ready as this bake will come together quickly. Heat your olive oil over medium heat. Once it is ready to go, add in your chopped onions. Saute these for a minute or 2.

onions sautéing in olive oil in stainless steel pan for wild rice and mushroom bake

Next, add in your mushroom and mince garlic. Saute for about 3-5 minutes.

saute mushrooms in olive oil and onions and garlic

At this point, the mushrooms are softened and tender.

mushrooms, onions, and garlic sautéed in olive oil in stainless steel pan

The Thickener

This dish is thickened in 2 ways. The first is with flour. So, sprinkle it on top of the sautéed veggies. Cook this for several minutes over medium. This step is really important as you need to cook out the flour taste. It won’t take too long, but probably at least 3 minutes. This is called a roux and is my preferred method for thickening most things. A roux is a method of combining oil and flour to create a thick paste, thick in turn will thicken your dish. It can also be made with sauteed veggies too. So, add it on top and cook.

flour sprinkled on top of sauteed mushrooms and onions for making a roux

After a few minutes, this is what it will look like below. As a note, make sure you have a good heat-proof spatula or are using a metal spoon here. You don’t want to melt your spatula in the process.

mushrooms and onions cooked with roux for thickened wild rice bake

The Final Steps For The Bake

Now, add in your stock. Mix it in as shown below.

vegetable stock in mushrooms and onions

The last step before baking is everything goes in the pot. The heavy cream, cooked wild rice, cheeses, thyme, and kale. The hardest part is over! On to the bake.

all ingredients in stainless steel pan, ready for baking.

Baking The Creamy Wild Rice Casserole With Mushrooms

The last step is optional, but I think it shouldn’t be skipped- add a little more cheese on top. This dish isn’t low calorie, but definitely an indulgent dish you will love!

woman sprinkling gruyere cheese on a wild rice casserole bake in a ceramic pie plate

There are so many options for serving dishes!! I went with a 9-inch ceramic pie plate from Jefferson Ceramics that I love. It could easily be baked in a rectangular dish or even a Pyrex baking dish.

woman holding a wild rice casserole getting ready to place it in oven for baking

The Finished Bake

That is it. I know it might have seemed complicated, but it really is so simple!! Any effort you make to cook this will be worth it, and it is so comforting and delicious.

If you are looking for and needing a comfort dish for your next get together or holiday meal, this Creamy Wild Rice Casserole with Mushrooms is it!

Baked creamy wild rice casserole with mushrooms in ceramic pie plate

If you need another side dish option, this Autumn Kale Salad with butternut is a great, healthy option. Another, lighter dish to pair it with is this fall fruit salad. A quick one would be this simple pea and potato side dish! If you want another carb side dish with this one, how about these twice-baked potatoes with broccoli and cheddar?

servings spoon of creamy wild rice casserole with mushrooms

If you need some great drinks to go with this meal or your next holiday gathering, I have a few mocktail ideas. A Pomegranate Vanilla Fizz is one of my favorites! Or a virgin sangria is also a really good idea!

woman holding serving plate of wild rice casserole with mushrooms
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Creamy Wild Rice Casserole with Mushrooms

This creamy and delicious side dish is perfect for any get together or even a meal.
Course Side Dish
Cuisine American
Keyword vegetarian side dishes, wild rice casserole, wild rice casserole with mushrooms, wild rice casserole with mushrooms and kale
Prep Time 40 minutes
Cook Time 20 minutes
Total Time 1 hour
Servings 8 servings
Author Amy- A Red Spatula

Ingredients

  • 2 1/2-3 cups cooked wild rice recipe in another recipe box on post
  • 1/4 cup olive oil
  • 1/3 cup chopped onions
  • 4 cups sliced fresh mushrooms I used a portabello and baby bella mushrooms
  • 1 tablespoon minced garlic
  • 3 tablespoons all purpose flour
  • 3/4 cup vegetable stock you could also use chicken or beef if you prefer.
  • 3/4 cup heavy cream
  • 1 tablespoon fresh thyme
  • 3 cups roughly chopped kale
  • 1/4 cup grated parmesan
  • 1 1/2 cups grate gruyere Divide this. 1 cup is used mixed in, the other 1/2 cup is for topping.
  • 1/2 teaspoon frshly ground pepper
  • salt to taste

Instructions

  • Make sure to have all your ingredients ready to go befreo starting. It is also important to read through the instructions carefully before beginning. Instrictions for prepping the dish in advance are at the bottom.
    Preheat oven to 375 degrees.
    In a large saucepan, bring heat the olive oil over medium heat. Add your onions to the oil and cook, stirring occasionally for about 2-3 minutes.
    To the onions and olive oil add in your mushrooms and garlic. Allow them to cook, stirring occasionally for about 4-5 minutes until the mushrooms have softened.
    Now, sprinkle your flour over the top. Continue to mix, stirring constantly for about 3 minutes.
    Pour in your stock and mix well.
    Next in is your remaining ingredients. Remember to only add in 1 cup of your gruyere cheese. Mix them well and taste. Adjust salt and pepper.
    Pour the casserole mix into your baking dish. Top with the remaining 1/2 cup grated gruyere.
    Place in oven and bake about 10-15 minutes. The dish is cooked all the way through, it just needs to be heated together.
    Once the cheese is melted and the dish is bubbly, it is ready to go!!
    Now, if you want to prep this dish in advance, it is very simple. Make the dish as above. When you finish assembling the dish, pour it into your baking dish. At this point, wrap with saran wrap or foil and place in the fridge. The dish can be made up to 2 days in advance. On the day of baking, preheat the oven. Add the casserole and bake until the cheese is melted and the dish is bubbly all the way through.
    Now, sit back and enjoy. You deserve it!
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Wild Rice

This simple method produces perfect wild rice every time.
Course Side Dish
Cuisine American
Keyword wild rice, wild rice recipe
Prep Time 5 minutes
Cook Time 35 minutes
Total Time 40 minutes
Servings 6 servings
Author Amy- A Red Spatula

Ingredients

  • 1 cup wild rice
  • 3 1/2 cups liquid I like to use a 50/50 mix of vegetabe stock and water.
  • 1/2-1 teaspoons salt Depending on how salty your stock is, will depend on how much salt to use. If your stock is salty, only use 1/2 teaspoon.

Instructions

  • Rinse wild rice and set aside.
    Bring your stock and salt to a boil over medium heat. Add in wild rice, cover and reduce heat to low.
    Allow the rice to boil for about 30 minutes. Lift the lid and see if there is still liquid in the rice, if there is, continue to let it cook another 5-10 minutes.
    Once the rice is cooked, remove from heat. You can use the rice right away. If you aren't going to use it, store it in an airtight container in the fridge for up to 5 days
    Now, sit back and enjoy. You deserve it!

FAQS:

Do I have to use Gruyere?

It is great cheese to use, but let me give you other options you might be interested in. What you are looking for a cheese that melts well and is creamy. Jack cheese is great cheese. Mozzarella is a great cheese as well. Fontina is awesome. American is even a good option. I went with a milder cheese, as I wanted the wild rice and mushrooms to be the star.

Is there another option for kale?

Yes!! Other options would be spinach or another leafy green.

Can I use a different rice?

For sure. Brown rice is great, as is a white rice. Just be mindful of cooking times. Other grains are also really good too. Farro, spelt, and barley would be great options is you are looking for whole grains.

About The Author

Amy

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