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
2 ¹⁄₄ large aubergine	sliced into disks

veg mixture
4 ¹⁄₂ onions	sliced	fry for 5 min until softened	stir cover and cook for 5 mins
4 ¹⁄₂ cloves garlic	chopped
2 ¹⁄₄ tbsp 0.034 l 33 ³⁄₄ ml 6 ³⁄₄ tsp 0.143 cup 0.059 pint oil
4 ¹⁄₂ large courgettes	diced
2 ¹⁄₄ red pepper	deseeded and roughly sliced
2 ¹⁄₄ yellow pepper	deseeded and roughly sliced
900g 0.9kg 1.98lb 31.7oz chopped tomatoes
4 ¹⁄₂ tbsp 0.068 l 67 ¹⁄₂ ml 13 ¹⁄₂ tsp 0.285 cup 0.119 pint tomato puree
4 ¹⁄₂ vegetable stock cubes	finely chopped
3.38 tsp 0.017 l 16.9 ml 1.12 tbsp 0.071 cup 0.03 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
6 ³⁄₄ lasagne sheets
¹⁄₃ of the veg mixture
remaining sliced aubergine
6 ³⁄₄ lasagne sheets
remaining veg mixture
562 ¹⁄₂g ⁹⁄₁₆kg 1.24lb 19.8oz mozzarella	chopped