Events
Cuppings, tastings and guest bars — hosted by the cafés and shops we like. We bring the coffee and the bowls; they bring the room. Nothing to book, just come by and taste what we are roasting before it reaches a bag.
Nº 01 — Brewing demo
Saturday, 7 November 2026
10:15–11:15
De Doelen
Rotterdam
A live filter brewing demo: how to make a great filter coffee at home.
We are hosting a filter brewing demo at Rotterdam Coffee Fest, the city's coffee festival, at De Doelen. One session, built for home: grind, ratio, water and pour — brewed live, tasted together. Come by, ask anything, and take the recipe home.
Nº 02 — Brewing demo
Sunday, 8 November 2026
10:15–11:15
De Doelen
Rotterdam
A live filter brewing demo: how to make a great filter coffee at home.
We are hosting a filter brewing demo at Rotterdam Coffee Fest, the city's coffee festival, at De Doelen. One session, built for home: grind, ratio, water and pour — brewed live, tasted together. Come by, ask anything, and take the recipe home.
Previously
Running a café or a shop and want the Frog to pour at your place?
Talk to us about hosting