Broken tennis biscuits can be used in a variety of delicious ways! Here are some ideas to make the most out of them:

1. *Tiramisu*: Use the broken biscuits as a substitute for ladyfingers in tiramisu. Layer them with coffee, mascarpone, and cocoa powder.
2. *Dessert Parfaits*: Create layered parfaits by alternating layers of broken biscuits with yogurt, pudding, or whipped cream, and fruits.
3. *Cheesecake Base*: Crush the biscuits and mix with melted butter to create a crust for a cheesecake or no-bake dessert.
4. *Milkshake or Smoothie*: Blend the broken biscuits into a milkshake or smoothie for added flavour and texture.
5. *Ice Cream Topping*: Use the broken biscuits as a crunchy topping for ice cream or frozen yogurt.
6. *Cookies*: Incorporate them into cookie dough for added texture and flavour.
7. *Chocolate Bark*: Melt some chocolate and mix in the broken biscuits before spreading it out on a sheet to cool and harden.
8. *Pudding*: Layer broken biscuits in a bowl with layers of custard or chocolate pudding for a quick and easy dessert.
9. *Granola Bars*: Add to homemade granola bars for extra crunch and flavour.
10. *Snack Mix*: Combine them with nuts, chocolate, and dried fruits to create a snack mix.
Feel free to get creative and find the best way to enjoy your broken tennis biscuits!