Onion Butter Pasta
All the good parts of French onion soup in pasta form, featuring roasted onions and garlic blended into a rich butter sauce.
Ingredients
- 3 yellow onions (or 6 shallots)
- 4–6 garlic cloves
- 1/4 cup olive oil
- 1 tbsp fresh thyme
- 1 tbsp fresh sage
- Salt and pepper, to taste
- 10 oz pasta of choice
- 4 tbsp salted butter
- 1/2 cup grated Parmesan cheese
Method
- 1
Preheat the oven to 450°F. Place the onions (or shallots) and garlic in a cast iron skillet. Drizzle with olive oil and sprinkle with thyme, sage, salt, and pepper.
- 2
Roast for 20–30 minutes, until tender and golden. Let cool slightly.
- 3
Cook the pasta according to package instructions. Reserve 1 cup of pasta water before draining.
- 4
Blend the roasted onions (or shallots) and garlic with the butter until smooth.
- 5
In the same pot used for the pasta, combine the blended mixture and the cooked pasta over low heat. Add 1/4 cup Parmesan and a splash of pasta water, stirring until the sauce coats the noodles. Add more pasta water as needed until the sauce becomes silky.
- 6
Season with additional salt and pepper, if needed. Serve warm, topped with the remaining Parmesan.