Chocolate Walnut Cake

Ingredients:
5 tbsp butter, divided
3 tbsp brown sugar
1/2 cup chopped walnuts
1 cup cake flour
2 tsp baking powder
1/2 tsp salt
1 cup sugar
1 large egg
60g unsweetened chocolate, melted
3/4 cup milk

Put three tablespoon butter, brown sugar and walnuts in a greased 20cm square baking pan.
Put in oven and heat oven to 180°C
When butter is melted, spread mixture evenly over bottom of pan and let cool.

Sit flour, baking powder and salt together.
Beat remaining butter with sugar and egg until smooth and pale.
Mix in chocolate.
Stir in flour mixture, alternating with the milk.

Pour batter into prepared pan and bake for 40 minutes, until top springs back when touched.
Turn cake out onto wire rack to cool, with the nuts on top.
Serve with vanilla ice cream.