Crusty Brownies - cooking recipe

Ingredients

1/2 cup butter or 1/2 cup margarine, melted
1 cup caster sugar
2 egg whites
1/2 teaspoon baking powder
1/2 teaspoon vanilla extract
1/4 cup cocoa powder
3/4 cup plain flour

Preparation

Preheat oven to 375\u00b0F Grease or line 20cm round pan.
Mix all ingredients. Do not overmix. Batter will be thick.
Spread batter into greased/lined pan.
Bake for 25 minutes. Do not overbake or the top will be too chewy.