Preheat the oven to 180C/350F/gas mark 4
Use a 20cm/8 inch square cake tin.
Grease and line the cake tin. Mix the flour, sugar, baking powder, salt and pecans thoroughly. Stir in *the remaining ingredients and mix well. Pour into the cake tin and bake for 35 to 40 minutes or until a warm knife inserted in the centre comes out clean.
