Prepare the Base – Crush the biscuits into fine crumbs. Melt the butter and mix it with the biscuit crumbs until well combined. Press the mixture into a cake mold and refrigerate.
Blend the Banana Cream – In a blender, blend the bananas, cream, and milk until smooth.
Activate the Agar Agar – Heat the banana mixture over low heat, stirring in the agar agar. Simmer for 2-3 minutes, stirring continuously, until slightly thickened.
Assemble the Cake – Pour the banana cream mixture over the biscuit base and smooth the top.
Chill & Set – Refrigerate for at least 3 hours or until firm.
Serve & Enjoy – Slice and enjoy this creamy, delicious no-bake banana cake!