Greek Steak Pitas - cooking recipe

Ingredients

1/2 cup red wine vinegar
1 teaspoon all purpose Greek seasoning (such as McCormick)
1/8 teaspoon black pepper
1 (1 lb) flank steak, trimmed
1/2 teaspoon kosher salt, divided
1 teaspoon butter
1 teaspoon olive oil
2 tablespoons lemon juice
1 teaspoon minced garlic
1 (6 ounce) package fresh Baby Spinach
4 (6 inch) pita bread, cut in half
1/2 cup thinly sliced red onion
24 slices English cucumbers
1/2 cup crumbled feta cheese

Preparation

Combine first 3 ingredients in a large zip-top plastic bag; add steak to bag. Marinate 3 minutes, turning once. Remove steak from bag; discard marinade. Sprinkle steak with 1/4 teaspoon salt. Heat a large skillet over medium-high heat. Add butter and oil. Add steak; cook 5 minutes on each side or until desired doneness. Let stand 2 minutes. Cut steak across grain into thin slices.
Return pan to heat. Add juice, garlic, and spinach; saute 1 minute. Remove from heat; add remaining salt.
Spoon 2 tablespoons spinach mixture into each pita half. Place 1 tablespoon onion, 3 cucumber slices, and 1 1/2 ounces steak in each pita half; sprinkle 1 tablespoon cheese in each pita half.