Ancho Chile Flank Steak & Sweet Potato Tacos

Prep Time
Cook Time
Ready In

"Tacos you make on a sheet pan.....well, you don't have to turn this into tacos, but it is great that way!"

Original is 6 servings


  • Serving Size: 1 (358.2 g)
  • Calories 660.9
  • Total Fat - 44.9 g
  • Saturated Fat - 8.9 g
  • Cholesterol - 104.3 mg
  • Sodium - 1673.7 mg
  • Total Carbohydrate - 25.4 g
  • Dietary Fiber - 7.4 g
  • Sugars - 1.4 g
  • Protein - 43.3 g
  • Calcium - 152.3 mg
  • Iron - 9.6 mg
  • Vitamin C - 18.1 mg
  • Thiamin - 0.7 mg

Step by Step Method

Step 1

Place the flank steak in a large zip-top plastic freezer bag.

Step 2

Stir together the lime juice, cilantro, garlic powder, 1 tablespoon cumin, 1 tablespoon ancho chili powder, and 2 teaspoons kosher salt. Whisk in 1/4 cup olive oil. Pour over the steak in the bag. Seal the bag and turn to coat. Marinate in the refrigerator for 1 to 12 hours.

Step 3

Place the oven rack about 6 inches from the top of the oven. Preheat the oven to 450 degrees F.

Step 4

Rinse the tomatillos and cut them into quarters. Stir together the tomatills, sweet potatoes, red onion, and remaining 1 teaspoon cumin, 1 teaspoon ancho chili powder, 2 teaspoons salt, and 2 tablespoons oil in a large bowl. Spread the sweet potato mixture in an even layer on an aluminum foil lined sheet pan.

Step 5

Bake at 450 degrees F for 20 minutes. Remove from the oven, and move the sweet potato mixture to the sides of the sheet pan. Place the flank steak in the center of the sheet pan. Increase the oven temperature to broil.

Step 6

Broil for 6 minutes. Turn the steak over and broil 6 minutes more. (Stir the vegetable mixture if they begin to char or remove them from the pan). Remove from the oven and let stand for 5 minutes.

Step 7

Cut the steak across the grain and drizzle with the pan drippings.

Step 8

Place some sour cream in a small bowl. Stir in a bit of the pan drippings. Mix well.

Step 9

Serve the steak with the potato mixture, with tortillas, sour cream, and fresh cilantro.


No special items needed.

2 Reviews


Ten stars! I made this exactly as written and wouldn't change a thing! Absolutely loved the sweetness of the sweet potato with the tang of the tomatillos. So, so good! Thanks for sharing!


review by:
(3 May 2022)


These are wonderful and enjoyed by all. I did cut out the extra chili powder and salt but otherwise made as directed, serving with salsa and sour cream. Thanks for sharing!


review by:
(1 Jul 2021)

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