Giouvetsi - Margarita's Way

Ingredients

• 1 kg shoulder blade, cut in pieces
• 500 gr orzo
• 4 tablespoons olive oil
• 2 tablespoons butter
• 1 tablespoon tomato paste
• 1 kg fresh tomatoes, peeled and grated
• 1 finely chopped dry onion
• 2 cloves of garlic
• ½ leek (whole)
• 1 peeled carrot (whole)
• 6 tablespoons white wine
• 4 peppercorns
• Salt
• Freshly ground pepper