Angel Cake

Ingredients:
5 g vegetable oil
50 ml milk
25 g sugar
1/4 tsp vanila extract
40 g cake flour
10 g milk powder
150 g egg whites
1/2 tsp cream of tartar
40 g sugar
1/4 tsp pandan pasta
Filling:
Chocolate Buttercream
How to make:
1. Preheat the oven to 180°C and line 2 baking pan (24 x 12 x 4cm) with parchment paper.
2. Heat vegetable oil, milk, sugar, & vanila extract, stir until sugar is dissolved.
3. Pour the mixture to the sifted cake flour & milk powder. Gently stir it.
4. Beat the egg whites in another bowl until foamy. Add cream of tartar and sugar, continue beating until soft peaks form.
5. Spoon the egg whites to flour mixture, gently stir it until just combined.
6. Divide the batter into two same weight. Add pandan pasta to one batter. Pour the 2 batter into baking pan. Bake for 15 - 20 minutes.
7. After the cake is cooled, spread chocolate buttercream and roll up the cake.