Stuffed Artichokes (Ardi Shoki Mahshi)

Ingredients

• 6 large artichokes, trimmed to bottoms
• 2 tablespoons lemon juice
• 1 pound ground beef
• 1/2 cup white rice, rinsed
• 1 small onion, finely diced
• 2 cloves garlic, minced
• 1/4 cup chopped fresh parsley
• 1 teaspoon ground allspice
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon ground black pepper
• 1 1/2 teaspoons salt, divided
• 2 tablespoons olive oil
• 3 cups chicken broth
• 2 tablespoons tomato paste
• 1 lemon, juiced