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.
Main ingredients
Seasoning and finishing
Liquids
Equipment
Large heavy saucepan with lid; knife; board; wooden spoon.
Check all product labels and cross-contact. Diet groups describe this listed draft, not every substitution.
Steps
Prepare · About 5 min
- Cut 2 whole eggplants, 3 whole zucchini and 2 whole red bell peppers into pieces about 2 cm wide.
- Heat 2 tbsp olive oil in the saucepan over medium heat.
- Add 1 whole chopped onion.
- Cook for 4–5 minutes, stirring often.
Check: The onion should soften.
- Add 3 cloves minced garlic.
- Stir for 30 seconds.
Cook the vegetables · About 25 min
- Add the eggplant and peppers.
- Cook for 5 minutes, turning often.
- Add the zucchini, 800 g canned chopped tomatoes, 1 tsp oregano, 1 tbsp red wine vinegar, 1 tbsp sugar, 200 ml water and ½ tsp salt.
- Bring the sauce to a gentle boil.
- Reduce the heat to medium-low.
- Cover the saucepan loosely.
- Simmer for 20–25 minutes, stirring every 5 minutes.
Check: The eggplant should be fully tender, without spongy white centres.
- Remove the lid.
- Simmer for another 5 minutes.
Check: The sauce should thicken around the vegetables.
Finish · About 1 min
- Turn off the heat.
- Tear 15 g basil leaves into small pieces.
- Fold the basil into the vegetables.
Tips
Substitutions
- Use extra courgette instead of some eggplant.
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
- Chop vegetables one day ahead and refrigerate.
FAQ
Why cook vegetables in stages?
Different vegetables soften at different rates.
Can I serve it cold?
Yes, after safe cooling and refrigeration.
How should I store ratatouille?
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.
Recipe source and adaptation
Measured home adaptation: Good Food team: Easy ratatouille.
Concise adaptation; quantities and method are stated for this draft.
Food safety references
FoodSafety.gov: cooking temperatures · Food Standards Agency: rice storage and reheating



