Baliq Levengi (Baked Stuffed Fish)

Ingredients

• 1/2 yellow onion, roughly chopped
• 1 cup raw walnuts 
• ⅓ cup fresh pomegranate seeds
• 1/2 tsp salt
• 1 Tbsp Piquant Post Caspian Lemon Pepper, divided 
• 1 lb white fish filets (flounder, sole, tilapia), about 4 filets
• 2 Tbsp olive oil
• 8 toothpicks
• 1 lemon, sliced (optional)
• ¼ cup pomegranate seeds, for garnish (optional)
• ¼ cup fresh cilantro, for garnish (optional)
• Turmeric Rice
• 1 Tbsp butter
• 4 cloves garlic, minced
• 1 1/2 tsp turmeric
• 1 cup basmati rice
• 1 1/2 cups water
• 1 tsp salt 
• ½ tsp black pepper