Mary Berry's lemon and samphire salmon dish uses an ingredient that costs £1.40 to give the fish a lovely crust.
Stir 1/3 cup water, 1/4 cup hoisin sauce, 1 tablespoon rice vinegar, 1 teaspoon soy sauce, and 1/4 teaspoon ground ginger ...
Aldi's Atlantic salmon fillet. "Buying the whole side is key," according to Senior Culinary Producer Nicole McLaughlin.