Classic Caramelized Onion and Mushroom Pasta
A rich and savory vegetarian pasta dish featuring deeply browned onions and earthy sautéed mushrooms.

Total
1h
Prep
15 min
Cook
45 min
Serves
4
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Recipe serves 4
Ingredients
- 1 lb Penne or Rigatoni pasta
- 2 large Yellow onions, thinly sliced
- 16 oz Cremini mushrooms, sliced
- 4 tbsp Unsalted butter
- 2 tbsp Olive oil
- 4 cloves Garlic cloves, minced
- 0.5 cup Dry white wine(optional)
- 0.5 cup Heavy cream
- 0.75 cup Grated Parmesan cheese
- 1 tsp Fresh thyme leaves
- 1 to taste Salt and black pepper
Instructions
- 1
In a large skillet, melt 2 tablespoons of butter with the olive oil over medium-low heat.
- 2
Add the sliced onions and a pinch of salt; cook slowly for 25-30 minutes, stirring occasionally, until dark golden brown.
- 3
Increase heat to medium, add the remaining butter and the mushrooms, cooking until mushrooms have released their moisture and browned.
- 4
Stir in the minced garlic and thyme, cooking for 1 minute until fragrant.
- 5
Deglaze the pan with white wine, scraping up the browned bits from the bottom, and simmer until reduced by half.
- 6
While the sauce simmers, boil the pasta in salted water until al dente; reserve 1/2 cup of pasta water before draining.
- 7
Stir the heavy cream and Parmesan into the mushroom mixture, then toss with the cooked pasta.
- 8
Adjust consistency with reserved pasta water if needed, season with salt and pepper, and serve immediately.
Nutrition per serving
Calories
580
29% of a 2,000 kcal day
| Protein | 18 g |
| Carbohydrate | 62 g |
| Fat | 28 g |
| Fiber | 4 g |
| Sugar | 6 g |
| Sodium | 480 mg |
Goes well with this
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