How to make homemade Lotus Seed Paste for use in Asian breads and cakes. Recipe with step-by-step photos. Lotus Seed Paste Many Asian breads and cakes contain a sweet paste-like filling, and Lotus Seed Paste is a popular option. Lotus Seed Paste is very mild in flavour and has no distinct smell like some other Asian pastes used in baked goods. It is one of my favourite filling for Mooncakes.