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# My Cafelat Robot Recipe
- URL: https://www.storyspooler.com/cafelat-robot-recipe/
- Published: 2022-11-19T23:30:00.000Z
- Updated: 2024-07-18T21:53:13.000Z
- Description: References for pre-infusion time, extraction ratio, grind size and more to get a sweet espresso cup with a Cafelat Robot
- Author: Spooler
- Tags: Coffee, Hobbies

In my [tips to get started with your new Cafelat Robot](https://www.storyspooler.com/cafelat-robot-tips/) I mentioned a few times my own recipes and the need to experiment with your Robot.

I'd like to share the recipe I use to start *tuning* my variables when brewing medium roasted beans such as espresso blends.

Remember this recipe is what works for me! I tend to favour brews with a slightly sweeter and fruity taste.

![Coffee Beans - Medium Roast](https://www.storyspooler.com/content/images/2024/07/coffee_beans.jpg)

## Recipe

**Weight and Ratio**: 16g for 36g. A *1:2.25* ratio.

**Grind Size**: I use slightly finer ground coffee than I would for a traditional espresso machine. This works better with the long pre-infusions.

![Ground Coffee - Dot 4 on my Niche Zero](https://www.storyspooler.com/content/images/2024/07/groundcoffee.jpg)

For additional reference, I use a Niche Zero as my grinder and the settings on mine work out as:

- 4 for Cafelat Robot
- 6-8 for traditional espresso machines
- 34 for v60

**Steps**:

| Time             | Weight   | Pressure (Gauge) | Pressure (Feeling)                                                                                                                      |
| ---------------- | -------- | ---------------- | --------------------------------------------------------------------------------------------------------------------------------------- |
| 25s pre-infusion | 1 - 1.5g | \~2 bar          | Minor resistance against the water in the chamber                                                                                       |
| 30s extraction   | 34.5g    | \~8bar           | Full resistance without going overboard. If you need to exert too much effort to get an even extraction then your grounds are too fine. |

**Additional Notes**:

- I pre-heat the portafilter/chamber using the steam coming out of the kettle while water boils. I don't bother preheating the Robot's piston.
- I don't lower the pressure during the final seconds of extraction unless it's a very light roast.
- I use boiling water for the recipe above.