Zarzuela de Mariscos a la Catalana (Traditional Catalan Fish Stew)

In a large Dutch oven , over medium heat, add the oil. When the oil is hot, add the onions. Season with salt and pepper. Saute until wilted. Season the squid with salt and pepper. Add to the onions and saute for 1 minute. Remove the pan from the heat, add the brandy and carefully flame. Shake the pan back and forth several times until the flame dies out. Stir in the tomato paste and cook for 1 minute. Deglaze the pan with the wine. Add the clam juice and bring to a boil . Reduce the heat to a simmer and cook for 20 minutes. Season the shrimp, fish and scampi with salt and pepper. Add the clams, mussels, scampi , shrimp and fish fillets to the pot, cover and cook for about 10 minutes, or until all of the shells have opened and the shrimp /scampi is fully cooked, (**they will turn pink and there tails will curl completely in). Stir in the picada sauce . Remove from the heat and ladle into serving bowls. Garnish with parsley and serve with crusty bread.