Crush the biscuits: Place biscuits in a bag and crush with a rolling pin or blend briefly until crumbly.
Mix ingredients: In a bowl, combine crushed biscuits, cocoa powder, coconut, and condensed milk. Add vanilla if using. Mix until thick and sticky.
Shape into bites: Scoop small portions and roll into balls using your hands.
Coat for Valentine’s look: Roll the balls in coconut flakes or colorful sprinkles for a festive finish.
Chill: Place in the fridge for 30–60 minutes until firm.
Serve chilled and enjoy!