1 level tbsn = 3.5 syns on all plans & 28g = 5 syns.
If someone is going to share the mix you shouldn't use your HEa allowance milk - it'd probably be easier to syn that too (0.5 syns for every 3 level tbsn or 9 syns for 568 ml of skimmed).
4oz plain flour - 20 syns
2 eggs
200ml Sk milk + 75 ml water - 3 syns
this should make 10 (8") or 12/14 (7") so that'd be approx 1.5 - 2 syns each.