Marci's Noyo Harbor Pan Roast

INGREDIENTS

• 1 tablespoon butter
• 1 cup chopped celery
• 1 cup sliced yellow onion
• 2 red potatoes, cubed
• 3 cloves garlic, minced
• 2 (14 ounce) cans vegetable broth
• 1 cup water
• 1/4 cup heavy cream
• 1/2 teaspoon paprika
• 1/2 teaspoon cayenne pepper (optional)
• 1 teaspoon fresh ground black pepper
• 1/4 teaspoon sea salt
• 2 tablespoons all-purpose flour
• 1 pound firm white fish, such as cod or halibut, cut into 2-inch chunks
• 8 ounces langostino or shrimp