Step 1

In a large bowl, combine olive oil, juice, and seasonings, and mix well.

Step 2

Add steaks to marinade. Turn to coat; cover. Refrigerate for 2 hours or overnight.

Step 3

Drain marinade from meat, blot any excess marinade, and lightly salt flank steaks or skirt steaks.

Step 4

Grill meat, or sear meat in a cast-iron skillet until the desired doneness. Cut your meat into strips.

Step 5

In a large skillet, saute peppers and onions in oil until crisp-tender. Add meat to peppers and onions. Remove and keep warm.

Step 6

Serve with tortillas. Top with guacamole and sour cream