Slow Cooker Caramelized Onions Pasta
A rich, comforting pasta dish featuring deeply caramelized onions cooked low and slow in a slow cooker. Blended with garlic, herbs, and Parmesan, this dish is packed with sweet and savory flavor, perfect for an easy weeknight meal or cozy weekend dinner.
Ingredients
- 4 large yellow onions thinly sliced
- 3 tbsp olive oil or unsalted butter
- 1 tsp salt
- 1 tsp sugar optional, for extra sweetness
- 4 cloves garlic minced
- 1/2 tsp dried thyme
- 1/2 tsp dried rosemary
- 1/4 cup dry white wine or vegetable broth
- 1 lb pasta such as spaghetti, fettuccine, or penne
- 1/2 cup Parmesan cheese grated
- fresh parsley chopped, for garnish
- salt and pepper to taste
Instructions
- Begin by thinly slicing your onions. This might take a little time, but the effort is well worth it.
- Add the sliced onions to your slow cooker, followed by the olive oil or butter, salt, and optional sugar. Stir to combine well.
- Cover and cook on low for about 8-10 hours, stirring occasionally, until the onions are deeply golden and caramelized.
- About 30 minutes before the onions are done, stir in the minced garlic, thyme, rosemary, and white wine or vegetable broth. Continue cooking until the mixture is aromatic and well combined.
- Meanwhile, cook your pasta according to the package directions. Reserve a cup of the starchy pasta water before draining.
- Combine the caramelized onions with the cooked pasta, adding reserved pasta water as needed to create a silky sauce.
- Stir in the grated Parmesan cheese and season with salt and pepper to taste.
- Garnish with freshly chopped parsley and serve immediately.
Notes
For extra flavor, try adding a splash of balsamic vinegar or a pinch of chili flakes to the onions before serving. Leftovers store well and taste even better the next day.
Nutrition
Calories: 450kcal
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