Slow cooker vegetable lasagne - Cooking like a Boss

I'm not one for vegetable lasagne but this is actually really nice. Double, quadruple or more the mozzarella for more mozzarella.

sliced aubergine
1 large aubergine	sliced into disks

veg mixture
2 onions	sliced	fry for 5 min until softened	stir cover and cook for 5 mins
2 cloves garlic	chopped
1 tbsp 0.015 l 15 ml 3 tsp 0.063 cup 0.026 pint oil
2 large courgettes	diced
1 red pepper	deseeded and roughly sliced
1 yellow pepper	deseeded and roughly sliced
400g ²⁄₅kg 0.882lb 14.1oz chopped tomatoes
2 tbsp 0.03 l 30 ml 6 tsp 0.127 cup 0.053 pint tomato puree
2 vegetable stock cubes	finely chopped
1.5 tsp 0.007 l 7.5 ml 0.5 tbsp 0.032 cup 0.013 pint dried basil

¹⁄₂ of the sliced aubergine	layer (bottom to top)	cook on high for 2.5 - 3 hours	scatter on top and leave 10 minutes to melt
3 lasagne sheets
¹⁄₃ of the veg mixture
remaining sliced aubergine
3 lasagne sheets
remaining veg mixture
250g ¹⁄₄kg 0.551lb 8.82oz mozzarella	chopped