Syn free gravy

Makes enough for 2 people, very thick like 'real' gravy, syn free on green and EE,

3 tbsp of smash
1 large onion sliced
2 oxo cubes
boiling water
fry light

1. add the onions to a small pan with a few squirts of fry light
2. fry in the pan until soft and slightly brown, add more fry light if needed
3. add the oxo and enough boiling water to cover the onions.
4. add the smash
5. stir for 5-10 minutes until it becomes thick