Simple Fish Stew - Slender Kitchen

Ingredients

• 1 tbsp olive oil
• 1 onion, diced
• 2 carrots, chopped
• 1 celery stalk, chopped
• 1 celery root, chopped (can also use potato)
• 4 garlic cloves, minced
• 1/2 cup fresh parsley, chopped
• 14 ounces canned crushed tomatoes
• 1 tbsp tomato paste
• 4 cups fish stock
• 1 bay leaf
• 1/2 tsp thyme
• 1 1/2 lbs red snapper, chopped (or other firm white fish)
• Salt and pepper