Step 4: Cook the Pasta

When the onions are nearly done, boil your pasta according to package instructions. Reserve 1 cup of pasta water before draining—it’s liquid gold for creating a silky sauce.

Step 5: Combine Pasta With Caramelized Onions

Transfer the cooked pasta to a large skillet or right back into the pot.

Add:

• the caramelized onions
• 2 tablespoons butter
• Parmesan cheese

Toss everything together.
Add reserved pasta water or a splash of broth until the sauce becomes smooth, glossy, and evenly coats the noodles.

Step 6: Taste and Adjust

Check for seasoning:

• Add salt if needed
• Add more Parmesan for saltiness
• Add extra butter for richness
• Add pepper for balance

Step 7: Serve Warm and Cozy

Finish with a sprinkle of parsley or basil.
Serve immediately while warm and silky.

Tips for Success

• Yellow onions give the best sweetness, but white or red onions also work.
• For deeper flavor, add a splash of balsamic vinegar at the end.
• For creaminess, stir in ½ cup heavy cream or a spoonful of mascarpone.
• Store leftover onions in the fridge up to 5 days or freeze for 3 months.

Why You’ll Love It

This pasta isn’t flashy or complicated—it’s honest, homey comfort food. Each bite delivers:

• sweet caramelized onions
• buttery richness
• salty Parmesan
• warm, soothing pasta

It’s the kind of meal you want on chilly days, busy evenings, or anytime you need something simple yet satisfying.

If you’d like, I can also create:
✅ A printable recipe card
✅ A shorter social-media-ready caption
✅ Nutrition estimates
Just tell me!