Tacos de gaonera are a type of Mexican taco that features a specific cut of beef known as "gaonera". The gaonera cut is a portion of beef mostly synonymous to tenderloin.
This cut is prized for its tenderness and flavor, making it ideal for grilling. To prepare tacos de gaonera, the meat is usually marinated with a simple blend of condiments and then grilled to perfection. Once cooked, the meat is sliced or chopped into small pieces and served on warm corn or flour tortillas.