Easy 6-Ingredient Dessert Cups

Substitutions: Regular biscuits can replace Lotus Biscoff cookies.
Make-Ahead: Prepare the components in advance and assemble just before serving.
Storage: Store any leftover cups in the fridge for up to 24 hours (note that the texture may change).
Vanilla Variations: Substitute vanilla extract for vanilla powder or essence.
Toppings: Enhance with chocolate shavings, caramel sauce, or your favorite fruits.