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Scoring a diamond pattern in the steak allows the marinade to penetrate while also making it simple to cut after grilling. Sirloin works best but the marinade is also perfect for tenderizing flank steak.

  • 2 cloves garlic, minced (or 1/2 tsp. dehydrated MINCED GARLIC)
  • 1/2 Cup chopped onion
  • 2 tsp. grated lime peel
  • 4 TB. lime juice (the juice from 2 limes)
  • 2 tsp. GROUND CUMIN
  • 1/2 tsp. MEXICAN OREGANO crushed
  • 1 tsp. CILANTRO (dried or 1 TB. fresh)
  • 2 tsp. salt
  • 2 tsp. sugar
  • 1/4 Cup canola or corn oil
  • 1 Cup water


  • 2-3  lbs. sirloin steak about 1/2 to 3/4 inch thick
  • 1/2 head iceberg lettuce, shredded
  • 2-3 tomatoes, chopped
  • 1 medium red onion, sliced
  • 2 Cups shredded cheese
  • 24 hard taco shells or soft flour tortillas (mix and match)


In a medium bowl, combine marinade ingredients, mixing thoroughly with a whisk. With a sharp knife, score the steak in a diamond shaped pattern on one side. Cut about 1/2 to 3/4 of the way through the steak. This will allow the marinade to penetrate, make it easier to cut later and let you grill larger pieces. Marinade in a glass baking dish or large zip-lock bag.
Refrigerate at least 2 hours but preferably overnight. Turn once or twice. Prepare grill for direct heat cooking method (enough coals to cover the grill bottom, but no more than two coals deep). Grill the steak 5-8 minutes per side depending on how you like it done. Drizzle remaining marinade on the steak as it cooks. When finished, cut the steak one way along the score lines. Then lay the slice on its side and cut the slice in half lengthwise to make thin strips. Cover and keep warm until ready to build your tacos.  Assemble the tacos any way you like or let everyone make their own. Serve with taco sauce, salsa, sour cream or any other condiment of your choice.

Prep. time: 30 minutes plus marinating time
Cooking time: 15 minutes
Serves: about 8

Garlic Minced 2.6 oz. 1/2 cup jar
Cumin Ground 2.2 oz. 1/2 cup jar
Cayenne Red Pepper Powder 2.1 oz. 1/2 cup jar
Oregano Mexican .4 oz. 1/2 cup jar
Black Pepper Fine Shaker 2.2 oz. 1/2 cup jar
Cilantro .3 oz. 1/2 cup jar

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