Chocolate ripple cheesecake towers

Chocolate ripple biscuits

• 200 g plain flour
• 60 g cocoa powder
• 1 tsp baking powder
• 1 pinch salt
• 100 g raw sugar
• 150 g unsalted butter, cut into pieces
• 1 egg
• 40 g water

Cheesecake

• 60 g white sugar
• 250 g cream cheese
• 200 g smooth ricotta cheese
• 2 tsp lemon juice
• 1 tsp natural vanilla extract
• 500 g fresh mixed berries, to serve