Mix the flour, oats, baking powder, cinnamon, ginger and xanthan gum together in a bowl

In another bowl, cream together the margarine and sugars until fluffy then mix in the milk and vanilla

Mix half of the flour and half of the pumpkin puree into the creamed margarine

Add the rest of the flour and pumpkin and mix again

The batter should be thick like a banana bread. Pour into the loaf tin and smooth the top

Bake for 45 - 50 minutes until risen and pulling away from the edges of the tin

Mix the icing sugar, coconut milk and the maple syrup together and form a glaze a little bit thinner than cinnamon roll glaze

Drizzle over the cake when cooled

Slice and serve