Basic Sponge Cake

Ingredients

 * 3 	   eggs, at room temperature,separated
 * 3/4 	cup caster sugar
 * 1 	cup self-raising flour
 * 1/4 	teaspoon salt
 * 1 	tablespoon melted margarine
 * 1/2 	cup hot water

Directions

 * 1) Preheat oven to 180°C.
 * 2) Using a deep, dry bowl beat egg whites until stiff.
 * 3) Add the sugar gradually and continue beating until thick.
 * 4) Add the yolks and beat lightly.
 * 5) Sift the dry ingredients gently over and mix in lightly.
 * 6) Fold in the margarine and water.
 * 7) Pour into two prepared tins and bake for 20 minutes.
 * 8) Remove from oven and cool on a wire rack.
 * 9) Fill and sandwich with jam and cream.
 * 10) Sift icing sugar on top of cake.
 * 11) HINT: To prepare baking pan, brush lightly with oil.
 * 12) Cut out brown paper to fit base.
 * 13) Place at the bottom of the pan and then brush paper with oil.