Garlic Butter Mushroom and Cheese Polenta Skillet for a Rich One-Pan Dinner

Crisp-edged, golden mushrooms sit on a bed of polenta so creamy it almost pours. Garlic butter, melted cheese and a sprinkle of fresh herbs turn two simple ingredients into a dinner that feels special without much fuss. This skillet is built for a single cast iron pan and a few steady stirs.

This dish brings together a savory mushroom topping and a cheesy polenta base. You brown cremini and king oyster mushrooms in foaming butter until they are golden, then fold in garlic and thyme at the very end so the aromatics stay bright.

Meanwhile, you cook coarse polenta in milk and water until it turns thick and smooth, and stir in Taleggio and aged hard cheese so the cheese melts through the whole pot. Spread the polenta in the skillet, add the mushrooms, and finish each bowl with more grated cheese, thyme and chives. The result is rich, glossy and ready to serve straight from the pan.

Ingredients

Why this recipe works

The method works because the mushrooms are cooked until their moisture has evaporated before the garlic goes in. Mushrooms release a lot of water as they heat, and that water steams them rather than browning them.

Cooking in a hot pan with butter until the liquid is gone lets the surfaces caramelize, which builds deep, nutty flavor. Adding the garlic and thyme last keeps them fragrant instead of bitter, so the butter tastes of herbs rather than scorched garlic.

The polenta follows the same logic of patience. Simmering coarse cornmeal slowly in a mix of water and milk allows the starch to swell and release, which gives a thick, creamy texture. When the Taleggio and hard cheese are stirred in off the heat or at very low heat, they emulsify into the polenta rather than turning stringy or oily. That is why the cheese melts smoothly into the warm base and does not separate.

Notes and substitutions

Choose coarse polenta rather than instant polenta. Coarse cornmeal takes about 25 minutes to become creamy, but it keeps a pleasant, slightly grainy texture that suits the earthy mushrooms. Instant polenta cooks in minutes and can taste flat next to the browned butter.

For the hard cheese, buy a whole block of Parmigiano-Reggiano or a similar aged cheese and grate it yourself on a box grater; pre-grated cheese often contains anti-caking agents that keep it from melting as smoothly.

Taleggio is a soft washed-rind cheese with a mild, tangy flavor and a high melting point, which makes it ideal for polenta. Remove the rind before cutting it into pieces so the cheese melts evenly.

A cast iron skillet holds heat well, keeps the polenta warm while you finish the mushrooms, and browns the mushrooms beautifully. A 12-inch skillet gives enough room for the mushrooms to brown in a single layer, which is the key to a good crust.

• Taleggio cheese: Fontina or young Gruyère, which also melt smoothly into warm polenta
• king oyster mushrooms: more cremini mushrooms or sliced shiitake, cooked the same way
• whole milk: half the amount of heavy cream stretched with water, for a richer polenta

Equipment

• 12-inch cast iron skillet
• chef's knife
• cutting board
• box grater
• wooden spoon
• medium saucepan
• shallow bowls