Recipe: <!-- -->Swiss Chard-Stuffed Flank Steak<!-- --> | Whole Foods Market

Ingredients

• 3/4 cup extra-virgin olive oil, divided
• 2 cloves garlic, finely chopped
• 1 bunch Swiss chard, stemmed and chopped
• 3/4 teaspoon fine sea salt, divided
• 1 heaping tablespoon Dijon mustard
• 1/4 cup apple cider vinegar
• 1/4 cup red wine vinegar
• 1/2 cup canola oil
• 1 1/2 pounds flank steak, butterflied
• 3 ounces asiago fresca cheese, thinly sliced
• Canola oil cooking spray, as needed
• 1/2 teaspoon ground black pepper, divided