How to Make Vegetable Lasagne

Toss the aubergine, courgette, and pepper slices with olive oil, salt, and pepper. Spread on baking trays and roast at 200°C for 25 minutes until golden and tender. Preheat equipment fully and use a food thermometer for meat and reheated dishes — visual cues alone are unreliable, and the FSA recommends core temperatures above 70 °C for two minutes when reheating. Note what worked in a phone memo so you can repeat the process faster next time.

Simmer the chopped tomatoes with garlic, oregano, and a pinch of salt for 15 minutes until thickened. Season to taste. Work steadily through this part of make vegetable lasagne, pausing to double-check your work against the goal before moving on — most mistakes are caught when you slow down at transitions between stages. Note what worked in a phone memo so you can repeat the process faster next time.

Melt the butter in a saucepan, stir in the flour, and cook for 1 minute. Gradually whisk in the milk and cook, stirring, until thick and smooth. Season with salt, pepper, and a pinch of nutmeg. Lay out everything you need within arm's reach and read the full sequence once before starting make vegetable lasagne — missing a single tool mid-task is the main reason simple jobs overrun their time estimate. Note what worked in a phone memo so you can repeat the process faster next time.

Spread a thin layer of tomato sauce in a baking dish. Add a layer of lasagne sheets, then roasted vegetables, tomato sauce, and béchamel. Repeat until all ingredients are used, finishing with béchamel and grated cheeses on top.

Bake at 180°C for 35–40 minutes until the top is golden and bubbling and a knife slides easily through the layers. Rest for 10 minutes before serving. Preheat equipment fully and use a food thermometer for meat and reheated dishes — visual cues alone are unreliable, and the FSA recommends core temperatures above 70 °C for two minutes when reheating. Note what worked in a phone memo so you can repeat the process faster next time.