Golden Szechuan Fish is a limited-time item featuring hand-sliced, lightly-battered cod fillets, sugar peas, and red bell peppers, stir-fried in a sweet and tangy Szechuan sauce
A coupon, which can be found here, is needed to take advantage of the deal. You'll need to print or show the coupon on your mobile phone
The company assures that this is not an April Fool's Joke. Apparently, April Fools’ Day "was born from the custom of tacking paper fish on others’ backs, and shouting 'April Fish.'" So there you go, free fish on April Fools' Day with any purchase.
