Poached Cod in Tomato Broth with Sweet Potato and Golden Raisins - Good Neighbor Pharmacy

Ingredients

• 1 organic lemon
• 1 organic yellow onion
• 2 wild cold fillets (about 6 ounces each)
• 1 organic sweet potato
• 1 or 2 cloves fresh organic peeled garlic
• 1 tablespoon tomato paste
• 1 cup diced tomatoes
• 4 or 5 sprigs fresh organic flat-leaf parsley
• 1 tablespoon golden raisins
• Kosher salt
• Freshly ground black pepper
• Olive oil
• White wine, optional