BBQ'd Salmon & Broccoli – Lodge Cast Iron

Ingredients

• 1 red onion, cut into thin wedges
• 12 ounces broccoli, cut into small florets
• ½ cup plus 2 tablespoons olive oil, divided
• ¼ cup tomato paste
• 5 dates, pits removed, chopped
• ½ to 1 cup water
• 12 ounces wild salmon, pin bones and skin removed
• Sea salt and freshly ground black pepper, to taste