Firstly, pre-heat your oven to 200°C fan (220°C conventional, gas 7). To a large pot on medium heat add 1 tbsp olive oil, 1 diced red onion, 3 garlic cloves crushed, 2 tsp coriander, 1 tsp paprika, large pinch of chilli flakes and fry for a couple of minutes.
Now add the drained lentils and tinned tomatoes along with a pinch of salt and pepper and stir.
Meanwhile, slice the aubergine into circles around 1cm thick (shown in the pics above), add to a pot of boiling water and boil for 5 minutes until just tender, then drain well. This helps to soften them in the bake.
Now to a large baking dish add some of the drained aubergine circles topped with lentil mix and build this up.
Finally, top with cheese (optional) and bake for 20 minutes until bubbling and golden.
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Notes
Step-by-Step Photos: My blog post includes helpful step-by-step photos to help guide you through making this recipe.Substitutions & Variations: I have included a list of these in the post above.To Store: Allow to cool, then store in an airtight container in the fridge for up to 2 days. Reheat until steaming hot all the way through.To Freeze: Allow to cool, then freeze in an airtight container for up to 2 months. Defrost overnight in the fridge, then reheat until steaming hot all the way through.Tip 1: Make sure to boil the aubergine to soften it before baking, and drain the slices well.Tip 2: If you can't find tinned lentils, cook dried green lentils in boiling water until tender, then drain.Tip 3: Allow it to cool for 5 to 10 minutes before tucking in for best flavour.