Step 1: Place a greased bahulu mould into preheated 190 C oven. Whisk egg at full speed for one or two minutes until light, pale and fluffy.
Step 2: Add sugar and vanilla extract and beat at full speed for another full speed of 1 - 2 minutes until thick and creamy.
Step 3: In another bowl, sift together the flour and baking powder. Fold lightly into the above mixture with a hand whisk.
Step 4: Grease the heated grease mould again, scoop batter and fill to the top of the mould. Bake at 190C for 7 minutes or until top is golden brown.
Step 5: Remove kuih bahulu from mould with the aid of a skewer and leave to cool on a wire rack.
Step 6: Continue with the rest of the batter .
Step 7: Store in an air tight container.