Cookies and cream ice cream with brown sugar biscuit bowls

Name: Cookies and cream ice cream with brown sugar biscuit bowls
Prep time: 40 min
Cook time: 7 h 5 min
Total time: 7 h 5 min
Yield: 18 portions
Ingredients: 100 g unsalted butter; 120 - 150 g light brown sugar; 1 egg; 1 tsp vanilla bean paste; 180 g plain flour; ½ tsp bicarbonate of soda; 1 pinch salt; oil spray; 150 g plain chocolate biscuits; 600 g pouring (whipping) cream; 200 g sweetened condensed milk; 1 tsp vanilla bean paste; chocolate