Pickle cucumbers: Halve cucumber (peel, if desired), then thinly slice crosswise into half-moons. Pick and coarsely chop mint leaves, discarding stems. In a medium bowl, toss to combine cucumbers, half of the chopped mint, 1 tablespoon vinegar and a pinch each of salt and sugar. Let marinate until ready to serve.

Prep ingredients: Finely chop 1 teaspoon garlic. Rinse and gently pat dry 6 lettuce leaves; wrap in a damp towel until step 6. Finely chop half of the onion (save rest for own use). Finely chop 1 teaspoon of the serrano pepper (save rest).

Prep sauce: In a small bowl, whisk to combine tamari, ¼ cup water, 2 teaspoons vinegar, and ¼ teaspoon sugar. Reserve for step 5.

Sauté turkey: Heat 1 tablespoon oil in a medium skillet over medium-high. Add chopped onions, chopped garlic, and serrano pepper; cook, stirring, until fragrant and onions are slightly softened, about 1 minute. Add turkey to skillet; cook, stirring occasionally and breaking up turkey into smaller pieces, until browned and cooked through, about 3 minutes.

Finish turkey: Add reserved tamari mixture to skillet, stirring to coat turkey. Bring to a boil, then remove from heat. Season to taste with salt.