To keep this recipe strictly keto, always choose full-fat sour cream, real block cheese you shred yourself when possible, and sugar-free salsa with no added sugars or starches. Romaine and iceberg work best because they are sturdy and low in carbs, but butter lettuce can be used for smaller, bite-size wraps. For an even higher fat option, drizzle a little extra olive oil over the meat or add more avocado. If using ground turkey or very lean beef, the added oil helps with both flavor and satiety. Each serving here assumes two large lettuce wraps, but you can stretch the meat further by turning it into a salad bowl over extra chopped lettuce. Net carbs are kept low by limiting the tomatoes and salsa, so adjust those portions carefully if you are following a very strict carb limit.