Chef
Gustavo Garnica
Chef de Cuisine, Cosme
- Discipline
- Chef
- Based in
- New York City, New York, United States
- Venue
- Cosme · Restaurant
Known for
- Plant-forward menu development at Cosme
- Hand-pressed tortillas for every guest
- Combining Mexican culinary heritage with Hudson Valley local ingredients
- Relationships with local producers and farmers

i. Biography
At Cosme in New York City, Contemporary Mexican cooking is built from a working pantry: fresh corn, chiles, herbs, salsas, sweet potato, Hiramasa, Maryland blue crab, and Hudson Valley produce. As Chef de Cuisine, Gustavo Garnica uses that pantry to keep Mexican flavors and traditions in contact with the farmers and producers around the restaurant. Corn gives structure, chile gives direction, salsa carries acidity and motion, and the vegetables and seafood are treated as primary materials rather than garnish.
Career Arc
The Chef de Cuisine role at Cosme demands control inside a closely watched New York City Contemporary Mexican kitchen. In Gustavo Garnica’s work there, refinement comes through proportion and handling rather than excess. Masa, smoke, acidity, sweetness, heat, and deep savor remain legible on the plate; the craft is in making familiar elements precise without stripping them of warmth.
The Current Chapter
The current cooking works through chilis, herbs, and salsas with a clear structural sense. Each component is expected to keep its edge: heat is not just force, herbs are not just color, salsa is not just sauce. In Gustavo Garnica’s hands, polish stays close to touch, generosity, and grounded flavor. Tlayudas carry the logic of a traditional Oaxacan dish made with a fresh corn tortilla and assorted toppings. At Cosme, the form keeps its communal character: corn, texture, layered toppings, and a dish built to be shared before it is explained. Sweet potato tamales take a creative form made at the restaurant, using sweetness, masa, and warmth inside a preparation tied to Mexican tradition. The result leans on softness and depth without becoming heavy. The sharper plates use contrast as the main tool. Cured Hiramasa Tostada with chicatana chintextle, chile pequin, avocado, and lime sets clean seafood against heat, richness, and acid. Chile Relleno filled with Maryland blue crab, sweet corn, brown butter, and salsa borracha gathers sweetness, savor, and sauce inside a familiar shape. Grilled Strip Steak with black garlic-ancho chile adobo, grilled scallion, salsa verde picante, and corn tortillas brings char, chile, smoke, and freshness into alignment. Pixtle Flan closes in a quieter register, with the same attention to flavor, texture, and origin.
Signature
Signature dishes include Tlayudas, Sweet potato tamales, and Cured Hiramasa Tostada with chicatana chintextle. The range in Gustavo Garnica’s work at Cosme is visible in that set: corn and masa as communal foundations, the tamal as a warm creative form, and cured fish sharpened by chile, avocado, and lime.
Acclaim
The recognition in this cooking sits in the connection between Mexican gastronomy and Hudson Valley ingredients. Through tlayudas, sweet potato tamales, Cured Hiramasa Tostada, Chile Relleno, Grilled Strip Steak, and Pixtle Flan, Gustavo Garnica’s role at Cosme shows a Contemporary Mexican kitchen working with corn, chile, salsa, seafood, vegetables, and local produce with care and specificity. The character comes from that handling: current in form, rooted in Mexican flavors and traditions, and attentive to the ingredients immediately around the restaurant.
Profile updated July 2026
FAQ
Asked of Gustavo
What is Gustavo Garnica's day job?
Gustavo Garnica is Chef de Cuisine at Cosme.
What is Gustavo Garnica known for?
Contemporary Mexican cuisine rooted in Mexican flavors and traditions and local Hudson Valley ingredients.
What is Gustavo Garnica's craft?
Chef de Cuisine at Cosme — Cosme (New York City, United States).







