Al Pastor vs. Carnitas: How to Choose Your Taco Filling

The short answer

Al pastor and carnitas are both pork taco fillings, but they get their character in opposite ways. Al pastor is about marinade and sear: the pork is soaked in a chile-based seasoning paste, cooked hot and fast, then chopped into small, crusty pieces and usually paired with pineapple. Carnitas is about slow cooking in the pork's own fat: lightly seasoned pork is cooked until very tender, then browned in its rendered fat and broken into large, pull-apart chunks.

Chef Rick Bayless notes that al pastor at specialist taco stands is roasted slowly on a vertical spit and shaved into thin slices for tortillas. Most home cooks don't have that equipment, so the comparison below follows his home recipes for each filling. These are one chef's documented versions, not the only way either dish is made across Mexico or in US taquerias.

Side-by-side comparison

Criterion	Al pastor (Bayless home version)	Carnitas (Bayless home version)
Cut and shape of pork	Pork shoulder cut into thin slices	Pork shoulder cut into thick slabs
Seasoning	Ancho-chile marinade with garlic, vinegar, cinnamon, cumin, oregano, oil, agave and pineapple; achiote optional	Salt plus a little orange juice or water; garlic, bay leaves, Mexican oregano and pepper optional
Cooking method	Grilled or seared in a skillet, browned mainly on one side, then chopped	Baked covered until nearly fork-tender, then roasted uncovered so the liquid cooks off and the pork browns in its rendered fat
Finished texture	Small, seared, chopped pieces	Large, tender, pull-apart chunks with browned surfaces
Pineapple	Caramelized separately and served with the meat	Not used
Typical toppings	Pineapple, chopped white onion, cilantro, chipotle salsa	Guacamole, salsa verde or chopped tomato salsa, lime wedges
Tortilla	Warm corn tortillas	Warm corn tortillas

What gives al pastor its flavor and texture

The marinade does most of the work. Ancho chile provides a mild, earthy chile base, vinegar adds tang, and cinnamon and cumin bring warm spice. Agave and pineapple in the marinade add sweetness. Achiote, a brick-red seasoning paste made from annatto seeds, is optional in Bayless's version; it adds color and a subtle earthy note.

Texture comes from the cooking method. Bayless slices the pork thin so the marinade coats a lot of surface area, then grills or skillet-sears it and favors browning on one side. That one-sided sear is his way of imitating the crisp edges that form on meat turning on a vertical spit. Chopping the cooked slices afterward produces the small, bite-sized pieces associated with al pastor tacos.

The pineapple served on top is cooked separately until caramelized, so it adds a sweet, slightly charred contrast to the spiced pork. Raw white onion and cilantro add sharpness and freshness, and chipotle salsa adds smoky heat.

What gives carnitas its flavor and texture

Carnitas relies on the pork itself rather than a heavy marinade. Bayless's home-style version needs only salt and a small amount of orange juice or water, with garlic, bay leaves, Mexican oregano and pepper as optional extras. The flavor is rich and porky rather than chile-forward.

The two-stage cooking creates the signature texture. Covered baking first makes the thick slabs nearly fork-tender. Uncovering the pan lets the liquid evaporate, leaving the pork sitting in its own rendered fat. Bayless then turns the meat and breaks it into large chunks so more surfaces can brown. The result combines soft, pull-apart interiors with browned, crisp-edged exteriors.

Because the meat is mild and rich, the toppings lean cool and acidic: guacamole for creaminess, salsa verde or a chopped tomato salsa for brightness, and lime wedges to cut through the fat.

Which one suits your tacos?

• Choose al pastor if you want bold chile and spice flavor, a sweet-tangy balance from pineapple and vinegar, and small, seared pieces. It suits a grill or a hot skillet and calls for more prep up front to make the marinade.
• Choose carnitas if you want rich, simply seasoned pork with tender, pull-apart chunks and browned edges. It suits an oven, needs few ingredients and mostly cooks unattended.
• Choose al pastor for a topping spread built around pineapple, onion, cilantro and smoky salsa.
• Choose carnitas for a topping spread built around guacamole, green or tomato salsa and lime.

Example: a quick taco-choice worksheet

The following is a hypothetical planning example, not a rule. List your preferences in four columns: seasoning style, meat format, cooking setup and toppings. Then see which filling matches most of them.

Preferred seasoning	Preferred meat format	Cooking setup	Toppings	Best match
Chile-and-vinegar marinade	Chopped, seared slices	Grill or skillet	Pineapple, onion, cilantro	Bayless's home al pastor
Salt with optional herbs	Tender, pull-apart chunks	Oven	Guacamole, salsa, lime	Bayless's home-style carnitas

If your answers fall in both rows, either filling can work. Pick based on whichever factor matters most to you, whether that's flavor, texture or the equipment you have.