Carne de Porco con Vinha D’Alhos

3 cups milk6 tbsp. butter6 tbsp. flour1-3/4 tsp. salt2 to 3 tsp. curry powder2 tsp. finely chopped fresh or dried ginger root1-1/2 tbsp. lemon juice1-1/2 tsp. finely chopped onion1-1/2 pounds fresh shrimp Melt the butter, add the onion and flour and stir until a smooth paste is formed. Add 1 cup of milk and heat…