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Polenta Recipe with Mushrooms and Tomatoes

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Creamy and delicious, this Polenta Recipe with mushrooms and tomatoes makes a great, easy side dish that is ready in about 30 minutes. Roasted mushrooms and tomatoes are simple and flavorful. Get dinner on the table quickly with this creamy polenta that your whole family will love!

Overhead shot of a serving dish with roasted tomatoes and mushrooms on top of creamy polenta.
Let’s make this polenta recipe with mushrooms and tomatoes.

Why You’ll Love Polenta with Mushrooms and Tomatoes

This mushroom polenta is pure comfort food. With a bed of creamy polenta topped with rich, roasted veggies, this dish is a great one to make as the weather cools down.

This isn’t a traditional, Italian polenta side dish. This is me, trying something out with flavors my family enjoys. If you’re looking for a more authentic recipe, please check out “How to Make Polenta” on Memorie di Angelina.

A tube of polenta ensures that this recipe is super quick and easy. And roasting tomatoes and mushrooms is almost foolproof. (I’m obsessed with roasted tomatoes).

Related: Roasted Tomato Burrata Appetizer

While this recipe does take a little bit of time to make due to the roasting, it’s ready in about half an hour. Get the veggies in the oven and complete the rest of the dinner while they cook.

It’s a perfect pairing for a simple roast chicken, a jazzed up store-bought chicken, or any other main dish idea. It’s very filling so you could even get more servings out of it if you need to feed a large group.

I’m always looking for new side dishes to make dinner time feel like I’m not just making the same things over and over again.

Not into tomato and mushroom polenta? Try my Parmesan Zucchini or Apple Juice Braised Brussels Sprouts.

Ingredient Notes

Labeled ingredients needed to make mushroom polenta on a counter.
What you need to make polenta and mushrooms with roasted tomatoes.
  • Mushrooms
  • Polenta
  • Cherry Tomatoes
  • Butter
  • Garlic
  • Shallots
  • Milk
  • Parmesan

This polenta recipe is not fussy and the exact amounts of the ingredients don’t matter all that much. Use whatever size polenta you can find.

You can make polenta from scratch (it’s just cornmeal and water), but using a tube of yellow polenta keeps things super easy.

Cherry or grape tomatoes work great in this dish. While I cut them in half before roasting, if they are on the smaller side, you can leave them whole to burst open on their own while cooking.

Baby bella mushrooms are super tasty and what I prefer to use. You could probably substitute another type but the flavor would change slightly.

Shallots add extra flavor to the veggies, but you could substitute yellow onion if that is easier for you.

I used whole milk, since that is what we use at home. You could make this recipe with low-fat or even cream, with varying degrees of creaminess depending on what you use. I’m not sure about using a milk alternative, however.

Parmesan cheese is optional, but I suggest adding it. While I add it as a topping at serving time, you could easily melt it into the polenta while it’s on the stove. It adds another layer of flavor that is super tasty.

How to Make Tomato and Mushroom Polenta

Preheat the oven to 375 degrees.

1. Make roasted mushrooms and tomatoes

A sheet pan with cherry tomatoes and chopped mushrooms.

Add halved cherry tomatoes and roughly chopped baby bella mushrooms to a sheet pan lined with foil.

The foil will help make clean up easier. A small serrated knife makes cutting the tomatoes really easy. For the mushrooms, you can use that same knife or kitchen shears. (I freaking love kitchen shears).

Close up of chopped mushrooms, tomatoes, chopped shallots and crushed garlic.

Add crushed garlic and chopped shallots to the sheet pan.

A sheet pan with tomatoes and mushrooms next to a bottle of olive oil.

Drizzle with olive oil and toss to coat everything. Add a sprinkle of sea salt (and pepper if you’re into it).

Put in the oven to roast for about 15 minutes.

2. Prepare the polenta

A saucepan with polenta, milk and butter.

Meanwhile, add the tube of polenta to a medium saucepan. You can cut open the long side of the tube or just cut off an end and squeeze it out, breaking it up as needed.

Add the butter and milk and heat on low-to-medium heat. Use a potato masher to help break up the polenta.

Stir often to keep the milk from burning.

Creamy polenta in a saucepan on the stove.

The consistency should be a little bit looser than mashed potatoes. If it seems too sticky, add a little bit more milk and stir to combine. Add a little at a time so it doesn’t become too runny.

To Serve

A white serving dish with polenta next to a sheet pan of roasted mushrooms and tomatoes.

When heated through, remove from heat and put into your serving dish.

Close up of tomatoes and mushrooms on top of polenta sprinkled with sea salt.

When the veggies are roasted, spoon them on top of the polenta and sprinkle with more sea salt.

Tips and Tricks

There are many ways to modify this dish to make the flavors better suited to your family. If you want to change up the types of veggies that you put on top, you can! If you want to add more flavor to the tomato and mushroom polenta, do it (some extra garlic in there would be tasty!).

  • While I like to serve my tomato and mushroom polenta with parmesan on top, you can also jazz it up with some red pepper flakes.
  • All of these flavors would be delicious with some fresh herbs. Try thyme, rosemary or basil for another layer of flavor.
  • A potato masher works best for breaking up the chunks of tube polenta, just take care that you don’t shoot hot milk and butter in your face…

Frequently Asked Questions

What exactly is polenta?

Polenta is made from cornmeal and is cooked in water then flavored and seasoned with a variety of ingredients. It’s a great side dish idea that has Italian origins.

Is polenta good or bad for you?

Polenta is a good alternative to potatoes and starches and is also a gluten-free grain. There appear to be some health benefits but it can quickly turn “bad” depending on what ingredients you are adding to it since it can be a very high-calorie dish.

Are there other ways to serve tubed polenta?

Polenta that comes in a tube is pre-cooked so you really just need to reheat it. You can do that in a saucepan, as we’ve done above or by sauteing it, roasting it or even grilling it. You can even reheat it in the microwave for a super quick side dish idea.

A small dish of polenta topped with roasted mushrooms and tomatoes and parmesan cheese.

You’re going to love this Polenta with mushroom recipe. It’s a bowl of flavorful comfort food that you will add to your meal planning rotation.

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More side dish recipes

Close up of a white serving dish with creamy polenta topped with roasted mushrooms and tomatoes.

Roasted Tomato and Mushroom Polenta

YUM! Make this Roasted Tomato and Mushroom Polenta recipe next time you need a delicious side dish idea. Better still, this recipe is ready in 30 minutes. It makes a lot so it's great for a large family or leftovers.
5 from 3 votes
Print Pin Rate
Course: Side Dish
Cuisine: American
Prep Time: 15 minutes
Cook Time: 15 minutes
Total Time: 30 minutes
Calories: 72kcal
Servings: 12 servings

Ingredients

Instructions

Prepare the Veggies

  • Preheat the oven to 375 degrees.
  • Place rough chopped mushrooms and cherry tomatoes on a foil lined baking sheet (helps with clean up).
  • Add chopped shallot and crushed garlic to the sheet pan.
  • Drizzle with about a TBSP of olive oil and sea salt and toss to coat.
  • Roast for about 15 minutes.

To Make the Polenta

  • Take the polenta out of the packaging and put it in a medium saucepan.
  • Add the milk and butter and heat on medium to low, stirring frequently.
  • Use a potato masher to break up the polenta and incorporate the butter and milk.
  • It should resemble mashed potatoes.
  • If it gets too sticky, add more milk, a little at a time, to make it creamy.

How to Put it All Together

  • When polenta is ready, place it in a serving dish.
  • Top with roasted mushroom mixture.
  • Sprinkle on some sea salt.
  • Serve with parmesan, if desired.

Notes

  • This recipe is almost foolproof. If you can’t find the exact size of polenta or containers of mushrooms and tomatoes, it’s fine. Use what you can find. 
  • There are many ways to modify this dish to make the flavors better suited to your family. If you want to change up the types of veggies that you put on top, you can! If you want to add more flavor to the polenta, do it (some extra garlic in there would be tasty!).
  • While I like to serve my tomato and mushroom polenta with parmesan on top, you can also jazz it up with some red pepper flakes.
  • All of these flavors would be delicious with some fresh herbs. Try thyme, rosemary or basil for another layer of flavor.
  • A potato masher works best for breaking up the chunks of tube polenta, just take care that you don’t shoot hot milk and butter in your face…

Nutrition

Serving: 12Servings | Calories: 72kcal | Carbohydrates: 10g | Protein: 2g | Fat: 3g | Saturated Fat: 1g | Trans Fat: 1g | Cholesterol: 5mg | Sodium: 218mg | Potassium: 230mg | Fiber: 1g | Sugar: 3g | Vitamin A: 283IU | Vitamin C: 10mg | Calcium: 36mg | Iron: 1mg
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One Comment

  1. Krystal Q says:

    5 stars
    LOVE IT.!. Thank You.
    – Krystal Quinn
    (KaiQui)

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