Choc marshmallow bickies - Better Homes & Gardens Australia

Ingredients

• Cooking oil spray, to grease
• ½ cup water, plus ½ cup extra
• 2 Tbsp gelatine powder
• 1 cup caster sugar
• 1 tsp vanilla extract
• ½ cup desiccated coconut
• Cornflour, to dust
• 50g white chocolate, melted
• Chocolate biscuit base
• 1¼ cups plain flour
• ¼ cup Dutch cocoa
• ½ tsp bicarbonate of soda
• 100g butter, melted
• ²⁄³ cup brown sugar
• 1 egg
• Note: Allow 30 minutes chilling plus 1 hour setting