Finely chop onion, capsicum and add to nonstick frying pan, with garlic, olive oil, and a dash of basil.

Add tinned tomatoes and tomato puree to a (big) pot, with contents of frying pan and a pinch of salt, then put it on a medium simmer.

While the pot simmers, add mince to pan and sauté until brown, breaking it up with a wooden spatula/spoon.

Add cooked mince to pot, continue to simmer until juice has soaked in, stirring frequently.

Slowly add milk while mixing, then add a pinch of salt. Simmer until thick.

Spray square pan with oil (eg. coconut oil) and spread mince on the bottom.

Spread white sauce over the top, then cover with lasagne sheets.

Grate cheese on top.