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 ³⁄₄ large aubergine	sliced into disks

veg mixture
3 ¹⁄₂ onions	sliced	fry for 5 min until softened	stir cover and cook for 5 mins
3 ¹⁄₂ cloves garlic	chopped
1 ³⁄₄ tbsp 0.026 l 26 ¹⁄₄ ml 5 ¹⁄₄ tsp 0.111 cup 0.046 pint oil
3 ¹⁄₂ large courgettes	diced
1 ³⁄₄ red pepper	deseeded and roughly sliced
1 ³⁄₄ yellow pepper	deseeded and roughly sliced
700g 0.7kg 1.54lb 24.7oz chopped tomatoes
3 ¹⁄₂ tbsp 0.052 l 52 ¹⁄₂ ml 10 ¹⁄₂ tsp 0.222 cup 0.092 pint tomato puree
3 ¹⁄₂ vegetable stock cubes	finely chopped
2.62 tsp 0.013 l 13.1 ml 0.875 tbsp 0.055 cup 0.023 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
5 ¹⁄₄ lasagne sheets
¹⁄₃ of the veg mixture
remaining sliced aubergine
5 ¹⁄₄ lasagne sheets
remaining veg mixture
437 ¹⁄₂g ⁷⁄₁₆kg 0.965lb 15.4oz mozzarella	chopped