Grumpy Dad Co

A blade built for the sea. The Yoshida Hamono Deba, precision forged in Japan for the perfect fish cut, every time.

Every exceptional cup begins with a single cherry. Carefully harvested and expertly processed, our Geisha preserves the remarkable character that makes it one of the world's most celebrated coffees.

Freedom is built on courage, hard work, and the people who stand beside us.

Today, we celebrate the spirit of independence and the values that continue to inspire generations.

Happy Fourth of July from Grumpy Dad. 🇺🇸

Volcanic soils, cool mountain temperatures, frequent mist, and slow cherry maturation create the ideal conditions for producing coffees with remarkable complexity. Every harvest reflects the richness of Panama's highlands, delivering a cup with refined aroma, balanced sweetness, and exceptional character.

Perfect precision, every single time. No more guessing games at the grill, just flawless results monitored straight from your phone. 🥩🔥

The difference between a knife and a true Japanese blade is what happens in the hands of a skilled cook.

Hand-forged by YOSHIDA HAMONO in Japan, the Kurumi Shikaku Bunka Knife combines razor-sharp Aogami #2 steel with the warmth and balance of a Japanese walnut handle. From delicate fish preparation to precise julienne cuts, every slice reflects generations of craftsmanship.

One knife. Endless possibilities. Professional performance in every cut.