Chocolate Chip Traybake Recipe

100 g/4 oz butter or margarine, softened
I00 g/4 oz soft brown sugar

50 g/2 oz caster (superfine) sugar
1 egg
5 ml/1 tsp vanilla essence (extract)

100 g/4 oz plain (all-purpose) flour
2.5 ml/0.5 tsp bicarbonate of soda (baking soda)
A pinch of salt
100 g/4 oz chocolate chips

Method:

Cream together the butter or margarine and sugars until light and fluffy, then gradually add the egg and vanilla essence. Stir in the flour, bicarbonate of soda and salt. Stir in the chocolate chips. Spoon into a greased and floured 25 cm/12 in square baking tin (pan) and bake in a pre-heated oven at 190°C/375°F/gas mark 2 for 15 minutes until golden brown. Leave to cool, then cut into squares.