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Taco Seasoning: What’s in the Packet, Where It Comes From, and How to Use It

Taco Seasoning

Read the label on a packet of taco seasoning and the first ingredient may not be a spice at all: in one well-known mix, it’s corn starch. Taco seasoning is the ground blend that flavors taco meat, usually built on chile pepper, other spices like cumin and oregano, onion, garlic and salt, and there’s no standard recipe and no federal definition. Watch the salt, too. The directions put a whole packet into a pound of meat, and at the label’s figures one packet can carry close to a full day’s Daily Value for sodium.

At a glance

What it isA packaged or homemade spice blend for seasoning ground meat for tacos
Typical componentsChili pepper, other spices, onion, garlic, salt; packet mixes add corn starch and sometimes maltodextrin
Fixed recipe?No. The USDA’s spice-blend purchasing specification defines chili powder and fajita seasoning but has no entry for taco seasoning1
Main flavor driversCapsaicinoids from chile for heat; cuminaldehyde from cumin; carvacrol and thymol from oregano; salt
Salt per serving280 to 380 mg sodium per label serving in the two packets below23
Typical useOne 1 oz packet per pound of ground meat, with 3/4 cup water23
Forms soldSingle-use packets, larger shaker cans; also made at home

Measured values

2 figures, sourced
MeasureValueScopeSource
Sodium Nutrient380 mg per 1 1/2 teaspoon servingMcCormick Original Taco Seasoning Mix packet, 1 oz, label (17% DV; 6 servings per packet)Company's own figures.giantfoodstores.com
Sodium Nutrient280 mg per 2 teaspoon servingOld El Paso Gluten Free Original Taco Seasoning Mix packet, 1 oz, label (12% DV; 5 servings per packet)Company's own figures.giantfoodstores.com

Each figure is quoted as its source states it, with the samples or standard it applies to. Where sources differ, both are shown; nothing is averaged. All measured values

What is in it

Two of the best-known packets, in label order:

BlendIngredients, in order givenServingSodium per servingSource
McCormick Original Taco Seasoning MixSpices (including chili pepper, paprika, oregano), corn starch, salt, onion and garlic1 1/2 tsp; 6 per packet380 mg (17% DV)2
Old El Paso Gluten Free Original Taco Seasoning MixCorn starch, chili pepper, maltodextrin, salt, spice, onion powder; 2% or less of vegetable oil, silicon dioxide (anticaking agent), natural flavor, modified corn starch2 tsp; 5 per packet280 mg (12% DV)3

The Old El Paso mix lists corn starch first. McCormick lists spices first and corn starch second. Neither label names cumin, though both list “spices” or “spice” without spelling out every one.

You can build taco seasoning on chili powder. PepperScale gives the typical base as chili powder, cumin, paprika, garlic, oregano and onion, and points out the corn starch in packets as a thickener. The USDA’s purchasing specification for chili powder, written for federal food programs, lists ground chili pepper, cumin, oregano, salt and garlic powder as the minimum ingredients.1 For mixes built that way, see chili powder and spices for taco meat.

Where tacos and taco seasoning come from

The taco’s origins are unclear. Historian Jeffrey M. Pilcher, talking to Smithsonian Magazine in 2012, said “the origins of the taco are really unknown.” His own theory traces the word to 18th-century Mexican silver mines, where “taco” meant a small paper-wrapped charge of gunpowder used to blast ore. The first references in archives or dictionaries, he said, date from the end of the 19th century, and the earliest US mention he’d seen was in a 1905 newspaper.4

As for the hard shell, Pilcher said Mexican cookbooks were already explaining how to make taco shells in the 1940s, and the original patents for making them went to Mexican restaurateurs that decade, not to Taco Bell founder Glen Bell. He also listed hamburger in place of offal among the changes in the American fast-food taco.4 When the first packaged taco seasoning hit shelves isn’t documented in any source we found.

Cumin, which is on the federal chili powder minimum list, came to Mexico from abroad. AramcoWorld’s history of the spice says Spanish colonists and traders brought it.

Flavor and the compounds behind it

Taco seasoning tastes earthy and warm, with chile heat that runs from barely there in mild packets to noticeable in hot ones, a savory onion-garlic base and a herbal hit of oregano. The chemistry belongs to the individual ingredients:

IngredientWhat it contributesSource
Chili pepper, red pepperHeat, from capsaicinoids5
PaprikaRed color, mainly from capsanthin and capsorubin6
CuminCuminaldehyde, the most important constituent of the oil (20–72% across studies)7
OreganoCarvacrol and thymol, together about 78–85% of Origanum vulgare oil8
SaltSaltiness23

Neither label says which oregano it uses. The compound figures above are for Origanum vulgare. See Mexican oregano vs. oregano.

How taco seasoning is used

Both packet labels call for one packet, a pound of ground meat and 3/4 cup water, and the McCormick directions say to stir in the seasoning mix and water. It’s not just for taco meat. Try it in taco soup, chili, burrito and nacho fillings, on roasted vegetables or fries, or as a dry rub for chicken or steak. See good Mexican spices for chicken.

Buying and quality

  • Read the first ingredient. In one of the two packets above it’s corn starch, not a spice. In the other, spices come first.
  • Count the sodium per packet, not per serving. The directions use the whole packet for a pound of meat. At the labels’ figures, that’s about 2,280 mg sodium in the McCormick packet (6 × 380 mg) and 1,400 mg in the Old El Paso packet (5 × 280 mg).23 FDA’s Daily Value for sodium is less than 2,300 mg a day.9
  • Homemade gives you control. Mix your own and you set the salt and can leave out the starch.

Storage

No regulator or standards body we found gives a shelf life for taco seasoning. Keep opened packets folded and sealed, and jars closed, away from heat and light. If the blend has lost its smell, it’s faded.

Safety

  • Sodium. See Buying above: one packet can carry close to a full day’s Daily Value.29
  • Lead in spices. A New York City health department review of 1,496 spice samples from 41 countries, collected from 2008 to 2017, found detectable lead in more than half and above 2 parts per million in more than 30%, with higher average levels in spices bought abroad.10 The abstract doesn’t break results out by blend.
  • Mycotoxins in chile spices. The EU sets maximum levels for ochratoxin A and aflatoxins in dried Capsicum spices, including chili powder and paprika.11

Health claims

We couldn’t trace claims that taco seasoning helps prevent diabetes, heart disease or cancer to any study of the blend, so we don’t make any health claim for it.

Substitutes and comparisons

The individual ingredients: cumin, oregano, Mexican oregano, paprika, cayenne pepper, chipotle powder, garlic powder and onion powder.

Footnotes

  1. Commercial Item Description A-A-20001C, Spices and Spice Blends, USDA Agricultural Marketing Service, 2023. ams.usda.gov · Regulator ↩ ↩2

  2. McCormick Original Taco Seasoning Mix, ingredients, nutrition label and directions, via Giant Food Stores product listing. giantfoodstores.com · Merchant ↩ ↩2 ↩3 ↩4 ↩5 ↩6

  3. Old El Paso Gluten Free Original Taco Seasoning Mix, ingredients, nutrition label and directions, via Giant Food Stores product listing. giantfoodstores.com · Merchant ↩ ↩2 ↩3 ↩4 ↩5

  4. Katy June Friesen, “Where Did the Taco Come From?”, Smithsonian Magazine, 2012. smithsonianmag.com · Publication ↩ ↩2

  5. Bosland and Walker, “Measuring Chile Pepper Heat”, New Mexico State University, 2010. pubs.nmsu.edu · Reference work ↩

  6. “Paprika extract”, Chemical and Technical Assessment, FAO/WHO JECFA, 2008 (rev. 2013). fao.org · Regulator ↩

  7. P.C.M. Jansen, Cuminum cyminum, Plant Resources of South-East Asia (PROSEA). uses.plantnet-project.org · Reference work ↩

  8. Lombrea et al., “A Recent Insight Regarding the Phytochemistry and Bioactivity of Origanum vulgare L. Essential Oil”, International Journal of Molecular Sciences, 2020. mdpi.com · Peer-reviewed ↩

  9. “Sodium in Your Diet”, U.S. Food and Drug Administration. fda.gov · Regulator ↩ ↩2

  10. Hore et al., “A Spoonful of Lead”, Journal of Public Health Management and Practice, 2019. scholars.mssm.edu · Peer-reviewed ↩

  11. Commission Regulation (EU) 2023/915 on maximum levels for certain contaminants in food. eur-lex.europa.eu · Regulator ↩

Also drawn on

  • Spice Migrations: Cumin, by Jeff Koehler (1 Sep 2021), AramcoWorld. aramcoworld.com
  • Taco Seasoning Ingredients: What’s In That Packet? (Matt Bray, updated 5 Sep 2019), PepperScale. pepperscale.com · PepperScale is also owned by Matt Bray, the editor of this site.