step 1
Heat oven to 150c (130c). Grease and line a 26cm cake tin.
step 2
Gently melt the margarine and syrup in a pan.
step 3
Beat egg. Place flours, ginger, cinnamon, salt and sugar into a food mixer at low speed. With mixer running pour in the margarine and syrup, then add the egg.
step 4
Dissolve bicarb in 175ml warm water, then pour into the bowl with mixer running. Spoon mix into the tin smooth over the top.
step 5
Bake for 1 hour then test by inserting a cocktail stick into the middle. It should come out clean. If not bake for a further 5 mins and test again. Turn and cool on a rack