Chocolate Pinwheel Cookies

Ingredients

All purpose flour/ maida - 1 cup

Baking powder -1/4 tsp

Salt -a pinch

Unsalted butter - 115 grams

Sugar -1/2 cup (granulated white sugar)

Egg - 1 separated

Vanilla essence - 1 tsp

Orange zest - 1 tsp

Semisweet chocolate - 30 grams chopped

Cocoa powder - 2 tsp

Preparation

1.Seive maida, baking powder and salt together twice.Keep it aside.Double boil chocolate and leave it to cool. (ie- melt chocolate over a bowl of hot water).Powder sugar.

2.In a bowl combine together butter and sugar until smooth.Add vanilla essence, egg yolk and beat until well blended.Add the dry ingredients (maida + baking powder + salt) little at a time and mix well until you get a smooth dough.

3.Now divide the dough into 2 equal parts.To one part add orange zest and mix well.To the other part add chocolate and cocoa powder and mix until well  blended.Refrigerate both the dough separately in a plastic wrap until firm.