Creamy Polenta with Caramelized Onions and Mushrooms
Creamy Polenta with Caramelized Onions and Mushrooms is a medium Italian recipe that serves 4. 350 calories per serving. Recipe by Cravings Journal on YouTube.
Prep: 15 min | Cook: 55 min | Total: 1 hr 25 min
Cost: $20.57 total, $5.14 per serving
Ingredients
- 1 cup Yellow Cornmeal (Polenta) (coarse grind)
- 4 cups Whole Milk (room temperature or cold to avoid lumps)
- 1/2 cup Parmesan Cheese (freshly grated)
- 2 tablespoons Unsalted Butter (cut into cubes, added at end)
- 4 tablespoons Olive Oil (divided for mushrooms and onions)
- 8 ounces Button Mushrooms (cleaned and sliced thin)
- 2 Yellow Onion (thinly sliced)
- 2 Fresh Thyme Sprigs (whole sprigs, added to onions)
- 1 teaspoon Granulated Sugar (enhances onion sweetness)
- to taste Salt (season mushrooms, onions, and polenta)
- to taste Black Pepper (freshly ground)
- as needed Water (for deglazing onions)
Instructions
Prepare Mushrooms
Clean the mushrooms, trim the stems, and slice them very thinly.
Time: PT5M
Brown Mushrooms
Heat 2 tbsp olive oil in a large skillet over medium‑high heat. Add a single layer of mushroom slices (do not overcrowd). Sprinkle with a pinch of salt. Cook without stirring until the edges release moisture and turn golden, then flip and repeat until all mushrooms are browned. Transfer to a bowl and keep warm.
Time: PT10M
Slice Onions
Peel and thinly slice the onions (about 1/8 inch).
Time: PT3M
Caramelize Onions
In the same skillet, add the remaining 2 tbsp olive oil and the sliced onions. Reduce heat to low and cook, stirring occasionally, until onions become soft and translucent (about 10 minutes). Add thyme sprigs, continue cooking, and let the natural sugars brown slowly. When bits stick to the pan, splash a tablespoon of water, scrape the fond, and let it evaporate. Repeat water deglazing as needed. Near the end, stir in 1 tsp sugar and a splash of water, let evaporate completely.
Time: PT25M
Warm Milk
While onions finish, measure 4 cups of whole milk and keep it at room temperature or cold.
Time: PT2M
Cook Polenta
In a medium saucepan, bring the milk to a gentle simmer over medium heat. Gradually whisk in 1 cup cornmeal, stirring constantly to avoid lumps. Reduce heat to low and continue whisking for about 15 minutes, or until the mixture thickens and pulls away from the sides of the pan. If lumps form, add a splash more milk and whisk vigorously.
Time: PT20M
Temperature: medium
Finish Polenta
Remove the saucepan from heat. Stir in 1/2 cup grated Parmesan, 2 tbsp butter, and season with salt and pepper to taste. Mix until cheese and butter melt completely.
Time: PT3M
Combine and Serve
Plate the creamy polenta, top with the caramelized onions, and scatter the browned mushrooms over the top. If not serving immediately, place a sheet of plastic wrap directly on the surface of the polenta to prevent a skin from forming.
Time: PT2M
Nutrition Facts
- Calories
- 350
- Protein
- 12 g
- Carbohydrates
- 38 g
- Fat
- 15 g
- Fiber
- 3 g
Dietary info: Vegetarian, Gluten-Free
Allergens: Dairy, Milk
Ingredient Substitutions
- Instead of Yellow Cornmeal (Polenta): Fine cornmeal
- Instead of Whole Milk: 2% milk, unsweetened almond milk (for dairy‑free)
- Instead of Parmesan Cheese: Pecorino Romano, Grana Padano
- Instead of Unsalted Butter: Olive oil (for dairy‑free)
- Instead of Olive Oil: vegetable oil, canola oil
- Instead of Button Mushrooms: cremini mushrooms, shiitake slices
- Instead of Yellow Onion: white onion, sweet onion
- Instead of Fresh Thyme Sprigs: dried thyme (1/2 tsp)
- Instead of Granulated Sugar: honey (1/2 tsp)
- Instead of Salt: sea salt, kosher salt
- Instead of Black Pepper: white pepper
Equipment Needed
- Large Skillet
- Medium Saucepan
- Wooden Spoon
- Whisk
- Chef's Knife
- Cutting Board
- Measuring Cups
- Measuring Spoons
- Plastic Wrap (optional)
Critical Steps — Do Not Skip
- Do not overcrowd the skillet when browning mushrooms; work in batches.
- Maintain low heat and deglaze onions with water to avoid burning the sugars.
- Whisk polenta constantly once it reaches a boil to prevent sticking and lumps.
Chef Tips from the Video
- Use room‑temperature milk to reduce the chance of lumps.
- Add a pinch of fresh thyme while the onions cook for an aromatic boost.
- Finish the polenta with butter for extra gloss and richness.
Troubleshooting
Polenta has lumps.
Whisk vigorously while adding the cornmeal; if lumps form, add a little more warm milk and continue whisking.
Onions burn before caramelizing.
Lower the heat and add a splash of water whenever sugars start to stick to the pan.
Mushrooms release too much water and steam instead of brown.
Cook mushrooms in a hot, lightly oiled pan in small batches without stirring until moisture evaporates.
Storage
Refrigerator: Store in an airtight container for up to 3 days. Reheat gently with a splash of milk.
Freezer: Polenta freezes well for up to 1 month. Thaw in the fridge and reheat with milk; mushrooms and onions are best used fresh.
Room temperature: Do not leave at room temperature for more than 2 hours.
Make-Ahead Tips
- Polenta can be made up to a day ahead; reheat with extra milk and stir to restore creaminess.
- Caramelized onions keep well refrigerated for 3 days; reheat gently.
Frequently Asked Questions
What is the cultural significance and history of creamy polenta with caramelized onions and mushrooms in Italian cuisine?
Polenta is a staple of Northern Italian peasant cooking, originally made from coarse cornmeal to stretch meals. Adding butter, cheese, and caramelized vegetables turns it into a richer, comforting dish that reflects the region’s love for simple, hearty flavors.
What are the traditional regional variations of polenta in Italy?
In Veneto and Lombardy, polenta is often served soft with butter and cheese, while in the Alps it may be baked or grilled into a firm cake. Some regions add herbs, sausage, or tomato sauce, but the creamy version with onions and mushrooms is a modern, home‑cooked adaptation.
How is creamy polenta traditionally served in Northern Italy?
It is typically ladled onto a warm plate, topped with a drizzle of melted butter or olive oil, grated cheese, and sometimes sautéed mushrooms or braised meat. The dish is eaten hot, often alongside roasted meats or as a vegetarian main.
What occasions or celebrations is creamy polenta with caramelized onions and mushrooms associated with in Italian culture?
Polenta is a comfort food for everyday meals, but it also appears at family gatherings in the fall and winter when hearty, warming dishes are preferred. It can be served as a main course for casual dinner parties.
What other Italian dishes pair well with creamy polenta and caramelized onions?
Rich braised meats such as osso buco, braised short ribs, or sausage ragù complement the creamy texture. A simple green salad with vinaigrette balances the richness.
What are the authentic traditional ingredients for creamy polenta versus acceptable substitutes?
Traditional ingredients include coarse yellow cornmeal, whole milk, butter, and Parmesan cheese. Substitutes can be fine cornmeal for a smoother texture, plant‑based milk for dairy‑free versions, and Pecorino Romano instead of Parmesan.
What are the most common mistakes to avoid when making creamy polenta with caramelized onions and mushrooms?
Common errors include overcrowding the pan when browning mushrooms, letting the onions burn by using too high heat, and not whisking the polenta constantly, which leads to lumps and scorching.
Why does this recipe use low heat and water deglazing for the onions instead of high heat caramelization?
Low heat allows the onions to soften evenly before sugars caramelize, while periodic water deglazing prevents the sugars from burning and keeps the onions glossy and sweet.
Can I make the creamy polenta ahead of time and how should I store it?
Yes, you can refrigerate the polenta in an airtight container for up to three days. Reheat gently over low heat, adding a splash of milk and stirring until smooth before serving.
What texture and appearance should I look for when the polenta is done?
The polenta should be thick, glossy, and pull away from the sides of the pan, with a smooth, creamy consistency and no visible lumps. It should coat the back of a spoon.
How do I know when the caramelized onions are finished?
The onions are done when they are soft, golden‑brown, and have a sweet, glossy coating. A small amount of sugar should have melted into the onions, and any fond should be incorporated after deglazing.
What does the YouTube channel Cravings Journal specialize in?
The YouTube channel Cravings Journal, hosted by Lorena, specializes in approachable home‑cooked recipes ranging from comfort foods to quick weeknight meals, with a focus on clear technique explanations and visual step‑by‑step guidance.
How does the YouTube channel Cravings Journal's approach to Italian cooking differ from other Italian cooking channels?
Cravings Journal emphasizes everyday, budget‑friendly Italian dishes with a personal touch, often adding practical tips like caramelizing onions or browning mushrooms for maximum flavor, whereas many other channels focus on restaurant‑style presentations.
Last updated: August 15, 2026
