step 1
Preheat oven to 180c/160c fan. Line 2 mini muffin tins with mini muffin liners.
step 2
Beat the eggs and sugar together until thick, stir in the banana and oil.
step 3
Sift on the flour, baking powder, bicarbonate of soda, cinnamon and salt (if using) and add the bran left in the sieve to the bowl too.Stir together until just combined.
step 4
Spoon into muffin cases (around 2/3rds full) and bake 12-14 minutes, until risen and firm to the touch. Remove and cool.
step 5
Store in an airtight box for up to 3 days or freeze (defrost at room temp approx 1 hour).