Ingredients
Baked beans from a can ( or haricot beans soaked overnight)
Tinned tomatoes
Onion
Garlic
milk , flour, butter (for the white sauce or buy by the jar )
lasagna sheets
salt and pepper to taste
grated cheese
Method
1) fine dice the onion and add to a pan and cook for a few minutes
2) chop the garlic and add to the onions
3) in a few minutes add the tinned tomatoes cook on low for about 10 minutes. And add the baked beans
4) To make the white sauce melt butter in a pan and add an equal amount of flour and stir
5) slowly and warm milk to the butter and flour mix and stir ( until it looks like white sauce)
6) in a dish make layers baked beans, lasagne sheets , and white sauce carry on until all the mix is used top for with cheese and cook.
Note
IF YOU GOT A JAR OF WHITE SAUCE IGNORE 4 AND 5
https://studentrecipes.com/recipes/vegetarian/baked-bean-lasagne/