Chimichurri Steak Quesadillas - Jo Cooks

Ingredients

• ½ cup olive oil
• ¼ cup red wine vinegar
• 1 tablespoon lemon juice (freshly squeezed)
• ½ cup curly leaf parsley (minced)
• 1 tablespoon dried oregano ((or fresh))
• ½ teaspoon red pepper flakes
• ½ teaspoon salt
• ½ teaspoon black pepper (freshly ground)
• 1 pound flank steak
• 1 tablespoon olive oil
• 2 large onions (sliced)
• 4 Flatout flatbread ((I used Light Original))
• 2 cups Monterey Jack cheese (shredded)