Step 1: Pre-heat oven to gas mark 9 (240 c)
Step 2: Dice aubergine and courgettes
Step 3: PLace aubergines, courgettes, tomatoes, onions and peppers into a roasting tin and add chopped basil, garlic and some olive oil and mix.
Step 4: Season with salt and pepper
Step 5: Place into oven for 30-40 minutes or until vegetables are browning.
Step 6: Whilst the vegetables are roasting make the sauce.
Step 7: Add all other ingredients except the cheese into a saucepan and place on a medium heat whilst whisking continuously until thickening. Turn the heat down and leave for 2-3 minutes, then add the grated parmasan.
Step 9: Once the vegetables are browning remove them from the oven and add chopped olives and turn the oven down to gas mark 4.
Step 11: In a baking dish, place 1/4 of the sauce, followed by 1/3 of the vegetables, sprinkle some mozzarella and add a layer of lasagne sheets, repeat this and pour remaining sauce on top and sprinkle with more parmasan.
Step 13: Bake in oven for another 25-30 minutes until the top is golden.
Step 14: Perfectly accompanied with some salad.