Ingredients
Metric weights use grams. US weights use ounces; liquids use fluid ounces. Conversions are rounded. Spoon measures use 5 ml teaspoons and 15 ml tablespoons; cups use 240 ml.
Serves 4
Pasta
Sauce
Equipment
Kitchen scales; measuring jug and spoons; knife; cutting board; mixing bowls; saucepan with lid; sieve; heavy frying pan; spatula; heatproof spoon; spatula.
Check all product labels and cross-contact. Diet groups describe this listed recipe, not every substitution.
Steps
Boil · About 3 min
- Cook 400 g spaghetti, 2500 ml water, 1 tsp salt until just firm; reserve 300 ml cooking water, then drain.
Check: Look for this result: just firm; reserve 300 ml cooking water, then drain.
Sauce · About 3 min
- Toast pepper from 180 g Pecorino Romano, finely grated, 2 tsp freshly ground black pepper in a dry pan 30 seconds. Add 100 ml pasta water. Separately mix cheese with 100 ml warm, not boiling, pasta water.
Toss · About 3 min
- Off heat, combine pasta, pepper water and cheese paste. Toss, adding reserved water gradually until creamy.
Check: Look for this result: creamy.
Tips
- Add cheese away from direct heat to reduce clumping.
- Judge Cacio e Pepe by the texture and doneness signs in its steps. Your pan and heat affect how long Cacio e Pepe takes to cook.
Substitutions
- Use Parmesan for a milder adaptation.
Storage
- Get perishable Cacio e Pepe into the fridge within two hours, or within one hour above 32°C / 90°F. Eat Cacio e Pepe within two days, keeping it covered at 4°C / 40°F or colder.
- Bring cooked Cacio e Pepe to 74°C / 165°F, stirring or turning it for even heating. When Cacio e Pepe is part of the meal, serve cold salads, dips and chilled desserts straight from safe refrigeration.
- If Cacio e Pepe includes a thick sauce or soup, loosen it with a little water during gentle reheating. Any crisp coating on Cacio e Pepe becomes softer in storage.
Make ahead
- Prepare the measured ingredients for Cacio e Pepe one day ahead. For Cacio e Pepe, refrigerate chopped vegetables apart from the other perishable ingredients. Follow the cooking stages for Cacio e Pepe on the day of serving.
FAQ
What matters most when making Cacio e Pepe?
Add cheese away from direct heat to reduce clumping.
What can I substitute in Cacio e Pepe?
Use Parmesan for a milder adaptation.
Can I prepare Cacio e Pepe ahead?
Prepare the measured ingredients for Cacio e Pepe one day ahead. For Cacio e Pepe, refrigerate chopped vegetables apart from the other perishable ingredients. Follow the cooking stages for Cacio e Pepe on the day of serving.
Food safety references
FoodSafety.gov: cooking temperatures · Food Standards Agency: rice storage and reheating



