Slice shallots thinly, fry in 2 tablespoons oil in a skillet until golden and crispy (about 6 minutes), drain on paper towels and set aside.
Brown ground turkey with minced garlic and red pepper flakes in the same skillet for 8 minutes, breaking it apart as it cooks.
Stir fish sauce and lime juice into the turkey, cooking for 1 minute until heated through, then top with crispy shallots and fresh cilantro.
Serve turkey mixture in butter lettuce leaves with avocado oil drizzled over top and extra lime on the side.
Photo: Anshu A / Unsplash