Slice 1 small red onion and fry in a pan with 1 tsp of olive oil. After 3 minutes add 2 veggie sausages and fry for another 3 minutes until golden brown. Add a pinch of brown sugar and 1 tsp of balsamic vinegar, and a sprig of chopped rosemary and Pour in 2 tbs of baked beans and simmer for 5 min to thicken. Add 150g tin of lentils cook for a further 5 minutes then serve.