Recipes are pure ratio. Whatever the recipe makes, you can scale up or down — as long as the ratios stay the same.
Chocolate Crispies (basic)
- 100 g milk chocolate
- 50 g butter
- 60 g rice crispies
- 30 g golden syrup
Ratio of chocolate to crispies is roughly 5 : 3. Remember the ratio, and you can rebuild the recipe at any size.