Creamy Polenta with Garlic Butter Mushrooms and Melted Cheese Tips, FAQ & printable recipe

Tips for success

Warm the milk and water together before adding them to the saucepan, and keep a kettle of hot water nearby. Polenta that absorbs liquid at a steady temperature cooks more evenly and stays smooth. If the polenta thickens too much during cooking, stir in a splash of hot liquid rather than cold, which can cause lumps and uneven texture.

Use the same cast-iron skillet for the mushrooms and let the browned bits in the pan build flavor. Once the mushrooms are done, the garlic butter in the skillet carries the dish's savory character. Spooning this butter over the polenta and mushrooms ties the components together and makes the plate taste deliberate and finished.

Grate the cheese just before you need it, because pre-grated varieties often contain anti-caking agents that stop them melting smoothly. Keep half of the cheese for stirring into the hot polenta and the rest for topping, so it melts into the warm base as you serve. Fresh thyme is best added at the end, when its leaves stay bright and fragrant rather than dull from long cooking.

If you want a more substantial plate, spoon the polenta into shallow bowls rather than a flat board so the garlic butter collects around the base. Taste the finished dish once before serving, adding a pinch of salt or a few more turns of black pepper if the flavors need lifting. Everything is best served warm, straight from the pan.

Variations

• Herb-Infused Polenta: Add a sprig of fresh thyme and a bay leaf to the simmering liquid, then remove them before adding the polenta. The herbs flavor the base quietly and make the dish taste more aromatic without changing the method.
• Richer Cheese Finish: Stir an extra spoonful of butter and a handful more grated cheese into the polenta off the heat. The base becomes even silkier, and the cheese melts more generously when it meets the warm mushrooms on the plate.
• Crisp Mushroom Topping: Increase the heat slightly at the end of browning and let the mushrooms sit undisturbed for an extra minute. This creates darker, crisper edges that contrast well with the smooth polenta and add a more intense savory flavor.
• Brown Butter Garlic: Cook the butter until it turns golden and smells nutty before adding the garlic and mushrooms. The brown butter adds a deeper, toasted flavor that complements the earthy mushrooms and the sweetness of the polenta.

Storage and make-ahead

Fridge

Refrigerate in airtight containers for up to 3 days. Cool within 2 hours before storing and reheat only what you plan to eat.

Freezer

Freezing is not recommended, because polenta becomes grainy and the mushrooms lose their texture when thawed.

Reheat

Reheat polenta gently in a saucepan with a splash of milk or water, whisking until smooth, and warm the mushrooms in a skillet until heated through.

Store leftover polenta and mushrooms separately in airtight containers in the refrigerator. Cool both for no more than 2 hours at room temperature before refrigerating, and use them within three days. Polenta firms up considerably when chilled, so expect a dense, sliceable texture rather than the original creamy consistency.

The mushrooms keep their flavor well, though they soften a little and lose some of their crisp edges. Keep the grated cheese in its own sealed container so it does not dry out or pick up odors from other foods. Label the containers with the date so you can track freshness, and reheat only the portion you plan to eat to avoid repeated temperature changes.

You can prepare parts of this dish in advance to make dinner come together faster. Trim, slice and score the mushrooms, peel the shallots, mince the garlic and strip the thyme up to a day ahead, storing each in a separate container in the refrigerator. Grate the aged cheese and keep it sealed in the refrigerator until serving time.

The polenta is best cooked just before serving, since it thickens as it stands and loses its creamy texture. If you need to hold it briefly, keep it covered over very low heat and whisk in a splash of hot milk or water when you are ready to serve. The mushrooms are also best cooked fresh, so brown them in the skillet while the polenta rests. Following this order keeps the dish bright, creamy and warm when it reaches the table.

Serving ideas

Serve the polenta in shallow bowls or on a wooden board so the warm base is the first thing guests see. Spoon a generous mound of creamy polenta onto each plate and shape it gently into a smooth oval. Spoon the garlic butter mushrooms around the base and over the top, allowing the browned pieces to sit in the golden butter. Tuck a few sprigs of fresh thyme among the mushrooms for color and aroma, then scatter extra grated cheese over the top and around the plate so it begins to melt into the warm polenta. Pull the polenta apart with two forks to reveal the molten cheese at the center, which makes an impressive moment at the table.

This dish pairs well with a crisp green salad dressed with lemon and olive oil, which cuts through the richness of the cheese and butter. A glass of dry white wine or a light red such as Chianti complements the earthy mushrooms and savory polenta. For a more relaxed meal, serve it family style from the skillet and the board, letting everyone add their own mushrooms and extra cheese. Keep the plates warm before serving, and bring the mushrooms to the table in the skillet so they stay hot and crisp at the edges until the last bite.

Frequently asked questions

Recipe card

Creamy Polenta with Garlic Butter Mushrooms and Melted Cheese

Prep 20 minCook 35 minRest 5 minTotal 1 hServes 4

Ingredients

• 1 cup coarse polenta
• 4 cups water
• 1 cup whole milk
• 1 tsp kosher salt, plus more to taste
• 2 tbsp unsalted butter
• 1 lb whole cremini mushrooms, trimmed and scored in a crosshatch pattern
• 2 shallots, peeled and sliced
• 3 tbsp unsalted butter
• 3 cloves garlic, minced
• 6 sprigs fresh thyme, plus leaves for serving
• freshly ground black pepper to taste
• 1 cup finely grated aged hard Italian cheese, such as Parmigiano-Reggiano, plus more for serving

Instructions

1. Trim the mushrooms and slice them. Score the caps in a crosshatch pattern with the tip of a chef's knife. Peel and slice the shallots, and strip the thyme leaves from the stems. Set everything on the board as mise en place.
2. Grate the aged hard Italian cheese on the fine side of a box grater. Let the fine shreds fall onto a plate so they are ready to scatter over the polenta at the end.
3. Bring the water, milk and salt to a simmer in a medium saucepan. Whisk in the polenta slowly, then reduce the heat to low. Cook, stirring often, until the polenta is thick and tender, about 30 minutes. Stir in the butter and half of the cheese off the heat.
4. Melt the garlic butter in the black cast-iron skillet over medium-high heat. Add the mushrooms and shallots in a single layer and let them brown without stirring for several minutes. Add the minced garlic and cook briefly until fragrant, then season with salt and pepper.
5. Spoon the creamy polenta onto a board or into shallow bowls and shape it into a mound. Spoon the garlic butter mushrooms around and over it, tuck in the thyme sprigs, and scatter the remaining grated cheese on top.
6. Strip a few fresh thyme leaves over the dish and add more grated cheese around the plate. Serve while the polenta is warm and the mushrooms are still hot from the pan.

Contains: milk, gluten

Estimated nutrition per serving

Calories

520

Protein

18 g

Carbohydrates

52 g

Fat

26 g

Fiber

5 g

Sugar

5 g

Sodium

780 mg

Automatic estimate from the ingredient list, not laboratory-verified.