Step 1: Sift plain flour and baking powder together. Melt Margarine
Step 2: In a clean bowl beat eggs and sugar together till and frothy -about 3 minutes
Step 3: Add melted margarine and oil and beat further till light in color - about 5 minutes
Step 4: Add the sifted flour, vanilla essence and milk. Beat till flour is mixed in - about 1 minute.
Step 5: Pour into lined muffin tin tray and sprinkle with chocolate chips. Bake at 170 C till lightly brown in color- about 20 to 25 minutes