Chocolate Banana Cracker Cake

Ingredients:
2 ripe bananas
1 tablespoon cocoa powder
60g crackers (about 5-6 pieces, crushed)
70g ghee butter (or regular butter)
80g caramel sauce
40g walnuts, chopped
400ml heavy cream (33%)
Optional: powdered sugar, honey, or condensed milk for sweetness
Zest of 1 lemon (optional)
Directions:
Prepare the bananas:
Peel and mash the 2 bananas in a bowl until smooth. Set aside.
Mix cocoa and crackers:
In a separate bowl, mix 1 tablespoon of cocoa powder with the crushed crackers. This will form a base layer with a nice chocolatey flavor.
Melt the butter:
Heat 70g of ghee or butter until fully melted. Add the butter to the cracker and cocoa mixture and stir well to combine.
Form the base: