Keto Spaghetti Alla Gricia: Roman Guanciale Pasta
Roman pasta dish built on guanciale, Pecorino Romano, and pasta water emulsion—no tomato or cream. Crispy pork jowl, salty cheese, and white wine create savory depth with peppery finish. Serve immediately as a weeknight dinner or casual entertaining. This version balances traditional technique with accessible timing.
Ingredients
- 1 teaspoon salt
- 1 pound spaghetti
- 1 tablespoon olive oil
- 7 ounces guanciale, cut into cubespancetta (Italian bacon)1:1savory
less fatty, milder pork flavor
- ½ cup white wine
- 1 cup Pecorino Romano, grated, plus more for garnish
- ½ teaspoon black pepper, freshly ground
Instructions
- 1
Bring large pot of water to rolling boil over high heat.
- 2
Season water with salt and add spaghetti. Cook until al dente.
- 3
Drain, reserving 1 cup pasta water.
- 4
Heat olive oil in large skillet over medium heat.
- 5
Add guanciale cubes and cook, turning often, until golden brown.
- 6
Pour white wine into skillet and cook until slightly reduced.
- 7
Add reserved pasta water and bring to simmer.
- 8
Add cooked pasta, Pecorino Romano, and pepper to skillet.
- 9
Toss to coat and cook, stirring vigorously, until thick sauce forms.
- 10
Taste and adjust seasoning with salt and pepper.
- 11
Divide between plates and garnish with additional grated cheese.
Tips
Reserve pasta water before draining; starch in water creates creamy sauce without cream.
Guanciale renders best when turned frequently and cooked low enough to brown without burning.
Toss pasta constantly as cheese and pepper emulsify to avoid clumping or graininess.
Good to Know
Leftovers keep 1-2 days in airtight container refrigerated. Reheat gently with splash of water over low heat, stirring constantly, to avoid sauce breaking.
Cook guanciale and pasta separately up to 4 hours ahead. Store separately. Combine and emulsify just before serving for best texture.
Serve immediately while sauce is creamy and pasta is hot. Crack black pepper at table. Extra Pecorino Romano on the side.
Common Mistakes
Use cold or room-temperature pasta water to avoid scrambling cheese.
Stop stirring before sauce thickens to prevent clumping Pecorino.
Cook guanciale at medium heat—high heat risks burning before fat renders.
Season pasta water adequately so final dish needs minimal adjusting.
Substitutions
Dairy-Free Swaps
General Alternatives
less fatty, milder pork flavor
FAQ
Can I make this without guanciale?
Yes, pancetta or bacon work as substitutes, though guanciale's high fat content creates authentic creamy sauce. Pancetta delivers closer texture; bacon is leaner and smokier.
What if my sauce breaks or becomes grainy?
Remove from heat immediately. Whisk in 2-3 tablespoons cold pasta water to cool mixture slightly, then stir off heat. Cheese emulsifies best at gentle heat, not boil.
How long can I keep leftovers?
Refrigerate in airtight container up to 2 days. Reheat gently over low heat with splash of water, stirring constantly. Freezing not recommended; sauce texture suffers.