Orange date and chocolate slice

Ingredients

• 125 grams butter, chopped, at room temperature
• 1 cup brown sugar
• 2 eggs
• 1 1/4 cup self-raising flour
• 1/2 cup plain flour
• 1 cup dates, chopped, dried, pitted
• 2/3 cup orange juice
• 1/3 cup dark choc bits
• 1/4 cup chopped walnuts
• 1 tablespoon orange zest
• Cream cheese icing
• 250 grams cream cheese, chopped, at room temperature
• 1/4 cup icing sugar, sifted
• 1 tablespoon grated orange zest
• 1/3 cup shredded coconut, toasted