Portuguese Shrimp Croquettes - Rissóis de Camarão

Name: Portuguese Shrimp Croquettes - Rissóis de Camarão
Prep time: 45 min
Cook time: 45 min
Total time: 1 h 30 min
Cuisine: Portuguese
Ingredients: 2 1/3 cups water; 3 tbsp unsalted butter; 1 tsp lemon zest; 1 tsp course sea salt; 3 cups all-purpose flour; 3 cups of water to cook the shrimp; 1 1/2 lbs or 680 g raw black tiger shrimp (31-40). We used easy peel, deveined and shell-on (frozen is fine); 6 tbsp unsalted butter; 1/2 medium cooking union (finely diced); 3/4 cups all-purpose flour; 1/2 cup milk (we used 2%); 1 1/2 cups of the reserved shrimp cooking water; 2 tsp tomato paste; 2 tbsp freshly squeezed lemon juice; 2 tsp coarse sea salt; 1 tsp white pepper; 1/4 cup parsley (chopped); 3 large eggs (beaten and poured into a wide rimmed bowl); 2 cups plain bread crumbs (poured into a wide rimmed bowl); Vegetable or canola oil for deep frying