In a small lidded jar, combine the lime juice, cumin, about half of the chile, a dash of salt and the walnut oil.

With motor running, drizzle in ½ cup walnut oil and ½ cup olive oil until oil is fully incorporated and pesto is smooth, 10-20 seconds.

She wakes up the torn lettuce with kosher salt, Sherry vinegar, walnut oil, a finely chopped shallot and black pepper.