Stuffed Flank Steak / La Bistecca di Fianco Imbottita | Ciao Italia

Ingredients

• 1 pound flank steak, cut into two 8-ounce strips and butterflied
• Salt to taste
• Grinding black pepper
• 8 cured olives, pitted, optional
• 1 large clove garlic, peeled
• 1 small red onion, peeled and cut into quarters
• 1/2 cup packed, well squeezed, cooked spinach
• 1/2 cup grated Parmigiano-Reggiano cheese
• 1/4 cup red wine
• 3/4 cup prepared tomato sauce
• 2 tablespoons Filippo Berio olive oil
• INGREDIENTS