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 6
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.
Ragu
White sauce
Layers
Equipment
Kitchen scales; measuring jug and spoons; knife; cutting board; mixing bowls; oven; baking tray; oven gloves; saucepan with lid; sieve; heavy frying pan; spatula; food thermometer; whisk or electric mixer; heatproof spoon; spatula.
Check all product labels and cross-contact. Diet groups describe this listed draft, not every substitution.
Steps
Ragu · About 30 min
- Heat oil from 25 ml olive oil, 500 g minced beef, 150 g onion, chopped, 100 g carrot, diced, 700 g passata, 150 ml water, 1 tsp salt; fry onion and carrot 5 minutes, then beef 8 minutes. Add remaining ragu ingredients; simmer 30 minutes.
Sauce · About 5 min
- Melt butter from 50 g butter, 50 g plain flour, 600 ml milk, ¼ tsp nutmeg, stir in flour 1 minute, then whisk in milk gradually. Simmer 5 minutes; add nutmeg.
Bake · About 45 min
- Heat oven to 180°C / 350°F. Layer sauces with 250 g no-boil lasagne sheets, 100 g Parmesan, grated in a deep dish, ending with sauce and cheese. Bake 40–45 minutes until pasta is tender and centre reaches 74°C / 165°F. Rest 10 minutes.
Check: Look for this result: pasta is tender and centre reaches 74°C / 165°F.
Tips
- Cover all dry pasta edges with sauce.
- Use the texture and doneness checks in the method; cooking times depend on your pan and heat.
Substitutions
- Use minced pork for half the beef.
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 Lasagne al Forno 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 Lasagne al Forno?
Cover all dry pasta edges with sauce.
What can I substitute in Lasagne al Forno?
Use minced pork for half the beef.
Can I prepare Lasagne al Forno ahead?
Prepare the measured ingredients for Lasagne al Forno 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



