Caramelized Onion Mushroom Risotto

Featured in: Comfort Food

This creamy risotto combines sweet, slow-cooked caramelized onions with earthy mushrooms, adding depth and richness. Arborio rice is toasted and simmered with white wine and warm broth until tender and creamy. Parmesan and butter enhance the texture and flavor, topped with fresh parsley for a vibrant finish. Ideal as a hearty main or elegant side, it offers a balanced blend of savory and sweet notes crafted through careful sautéing and gradual broth absorption.

Updated on Sat, 14 Feb 2026 19:00:38 GMT
Creamy Caramelized Onion and Mushroom Risotto with golden onions, sautéed mushrooms, and Parmesan for a rich vegetarian main dish. Save to Pinterest
Creamy Caramelized Onion and Mushroom Risotto with golden onions, sautéed mushrooms, and Parmesan for a rich vegetarian main dish. | buddybiteskitchen.com

There's something magical about a perfectly executed risotto—that creamy, comforting dish that speaks of care and patience. This Caramelized Onion and Mushroom Risotto transforms humble ingredients into a luxurious meal through the gentle art of slow cooking. The sweet depth of onions that have been carefully cooked until golden and jammy pairs beautifully with the earthy umami of sautéed mushrooms, all enveloped in creamy, perfectly al dente Arborio rice.

Creamy Caramelized Onion and Mushroom Risotto with golden onions, sautéed mushrooms, and Parmesan for a rich vegetarian main dish. Save to Pinterest
Creamy Caramelized Onion and Mushroom Risotto with golden onions, sautéed mushrooms, and Parmesan for a rich vegetarian main dish. | buddybiteskitchen.com

While risotto has a reputation for being labor-intensive, this recipe breaks down the process into manageable steps. The magic happens in stages—first with the patient caramelization of onions, developing their natural sweetness, then building layers of flavor with mushrooms and garlic before the meditative process of slowly incorporating broth into the toasted rice. Each step contributes to the final harmonious dish that's well worth the effort.

  • 2 large yellow onions, thinly sliced
  • 250 g (9 oz) cremini or button mushrooms, sliced
  • 3 cloves garlic, minced
  • 2 tbsp fresh parsley, chopped (plus more for garnish)
  • 300 g (1 1/2 cups) Arborio rice
  • 60 g (1/2 cup) grated Parmesan cheese
  • 40 g (3 tbsp) unsalted butter
  • 60 ml (1/4 cup) heavy cream (optional)
  • 1 L (4 cups) low-sodium vegetable broth, kept warm
  • 120 ml (1/2 cup) dry white wine
  • 2 tbsp olive oil
  • 1/2 tsp salt, plus more to taste
  • 1/4 tsp black pepper, plus more to taste
  • Caramelize the onions: In a large, heavy-bottomed skillet, heat 1 tbsp olive oil and 1 tbsp butter over medium-low heat. Add sliced onions and a pinch of salt. Cook, stirring often, for 20-25 minutes until deeply golden. Transfer to a bowl.
  • Cook the mushrooms: In the same pan, add remaining olive oil. Sauté mushrooms over medium heat until browned. Add garlic and cook for 1 minute.
  • Toast the rice: Stir in Arborio rice and toast for 2 minutes, stirring constantly.
  • Add wine: Pour in white wine and cook until mostly absorbed.
  • Gradually add broth: Add warm broth, one ladle at a time, allowing each addition to be absorbed before adding the next. Stir gently for 18-20 minutes.
  • Finish the risotto: Stir in caramelized onions, remaining butter, Parmesan, and optional cream. Season with salt and pepper.
  • Rest and serve: Let rest for 2 minutes, then stir in parsley. Garnish with extra Parmesan and serve.
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Patience is key when caramelizing onions—resist the urge to raise the heat as this will burn rather than caramelize them. For the creamiest risotto, maintain a gentle simmer throughout the cooking process, and stir often but gently to encourage the rice to release its starch without breaking the grains. The risotto should flow gently when served—if it becomes too thick after resting, stir in a splash of warm broth before serving.

For a vegan version, use plant-based butter and omit Parmesan or use a vegan cheese alternative. The flavor profile can be varied by adding different mushroom varieties—try a mix of cremini, shiitake, and oyster mushrooms for more complex flavor. For extra nutrition and a pop of color, fold in a handful of baby spinach or peas just before serving. In autumn, try adding a small amount of dried porcini (soaked and chopped) for an intensified mushroom flavor.

Serve this risotto as a main course with a simple arugula salad dressed with lemon and olive oil to cut through the richness. For a more substantial meal, it pairs beautifully with roasted asparagus or a side of lemon-garlic broccolini. This dish is best enjoyed with a glass of crisp white wine like Pinot Grigio or Chardonnay. For presentation, serve in warm shallow bowls with a final drizzle of good olive oil and a twist of black pepper.

A close-up shot of the finished mushroom risotto garnished with fresh herbs and shaved parmesan cheese. Save to Pinterest
A close-up shot of the finished mushroom risotto garnished with fresh herbs and shaved parmesan cheese. | buddybiteskitchen.com

This Caramelized Onion and Mushroom Risotto isn't just a meal—it's an experience. The rhythmic stirring, the gradual transformation of simple ingredients, and the anticipation of that first creamy bite make this dish as rewarding to prepare as it is to eat. Whether served for a weeknight family dinner or as the star of your next dinner party, this risotto proves that with a bit of patience and quality ingredients, vegetarian cooking can be deeply satisfying and memorably delicious.

Common Recipe Questions

How do you properly caramelize onions?

Slice onions thinly and cook them slowly over medium-low heat with a bit of butter and salt, stirring often until they turn golden and sweet, usually 20-25 minutes.

What type of mushrooms work best in this dish?

Cremini or button mushrooms are ideal, as they provide a savory, meaty texture that complements the sweetness of caramelized onions.

How is Arborio rice key to the risotto’s texture?

Arborio rice has a high starch content that releases during cooking, creating the creamy yet slightly firm texture characteristic of risotto.

Can white wine be substituted in the cooking process?

Yes, dry white wine adds acidity and depth, but it can be replaced with extra vegetable broth for a milder flavor.

What are good pairing suggestions for this dish?

Crisp white wines like Pinot Grigio or Chardonnay pair well, balancing the creamy richness and enhancing the flavors.

Caramelized Onion Mushroom Risotto

Creamy risotto featuring caramelized onions, mushrooms, Parmesan, and fresh parsley for rich flavor.

Prep Time
15 minutes
Cook Time
40 minutes
Total Time
55 minutes
Created By Max Buddyfield

Recipe Category Comfort Food

Skill Level Medium

Cuisine Type Italian

Recipe Yield 4 Number of Servings

Dietary Preferences Suitable for Vegetarians, Free of Gluten

What You'll Need

Produce

01 2 large yellow onions, thinly sliced
02 9 ounces cremini or button mushrooms, sliced
03 3 cloves garlic, minced
04 2 tablespoons fresh parsley, chopped

Grains

01 1.5 cups Arborio rice

Dairy

01 0.5 cup grated Parmesan cheese
02 3 tablespoons unsalted butter
03 0.25 cup heavy cream, optional

Liquids

01 4 cups low-sodium vegetable broth, kept warm
02 0.5 cup dry white wine

Oils and Seasonings

01 2 tablespoons olive oil
02 0.5 teaspoon salt, plus more to taste
03 0.25 teaspoon black pepper, plus more to taste

Steps to Follow

Step 01

Caramelize the Onions: In a large heavy-bottomed skillet or Dutch oven, heat 1 tablespoon olive oil and 1 tablespoon butter over medium-low heat. Add sliced onions and a pinch of salt. Cook, stirring often, for 20 to 25 minutes until deeply golden and caramelized. Transfer to a bowl and set aside.

Step 02

Prepare the Mushrooms and Garlic: In the same pan, add remaining olive oil. Sauté mushrooms over medium heat until browned and moisture has evaporated, approximately 7 minutes. Add minced garlic and cook for 1 minute until fragrant.

Step 03

Toast the Rice: Stir in Arborio rice and toast for 2 minutes, stirring constantly to prevent sticking.

Step 04

Deglaze with Wine: Pour in white wine and cook, stirring constantly, until mostly absorbed.

Step 05

Build the Risotto: Add warm broth one ladle at a time, stirring gently and allowing each addition to be absorbed before adding the next. Continue until rice is creamy and al dente, approximately 18 to 20 minutes. You may not need all the broth.

Step 06

Finish and Season: Stir in caramelized onions, remaining butter, Parmesan, and cream if using. Season with salt and pepper to taste. Remove from heat.

Step 07

Rest and Serve: Let risotto rest for 2 minutes, then stir in chopped parsley. Serve garnished with extra Parmesan and fresh parsley.

Tools You'll Need

  • Large skillet or Dutch oven
  • Wooden spoon
  • Ladle
  • Chef's knife
  • Cutting board

Allergy Warnings

Review each ingredient carefully for allergens. If unsure, consult with a healthcare provider.
  • Contains dairy: butter, Parmesan cheese, and heavy cream
  • Contains alcohol from white wine; substitute additional broth if avoiding
  • Check cheese and broth labels for potential hidden allergens

Nutritional Info (per serving)

These details are for general information only. Always consult a healthcare professional for dietary concerns.
  • Calorie Count: 420
  • Fat Content: 15 grams
  • Carbohydrates: 58 grams
  • Protein Content: 11 grams