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
Choose any positive whole number of servings. Ingredients and measured amounts in steps scale together. Times, temperatures and equipment stay unchanged. For larger yields, cook separate original-size batches. Counted ingredients can become fractions; beat eggs before dividing them. Fixed correction-water checks remain fixed.
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 draft, 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.
- Use the texture and doneness checks in the method; cooking times depend on your pan and heat.
Substitutions
- Use Parmesan for a milder adaptation.
Storage
- Refrigerate perishable food within two hours, or within one hour in heat above 32°C / 90°F. Store covered at 4°C / 40°F or below. Use within two days for this draft.
- Reheat cooked dishes to 74°C / 165°F, stirring or turning for even heating. Serve cold salads, dips and chilled desserts directly from safe refrigeration.
- For sauces and soups, add a little water if thick and reheat gently. Crisp coatings soften after storage.
Make ahead
- Prepare the measured ingredients for Cacio e Pepe one day ahead. Refrigerate chopped vegetables and other perishable ingredients separately; complete the staged cooking on the serving day.
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. Refrigerate chopped vegetables and other perishable ingredients separately; complete the staged cooking on the serving day.
Food safety references
FoodSafety.gov: cooking temperatures · Food Standards Agency: rice storage and reheating



