Always pick up several of these at my local B&M in Milton Keynes. They are delicious. Watch out if it's a sunny day as they are so soft it may melt before you get home! Best to eat it whilst leaving the store and if you have any left to leave them in fridge.
Hersheys Creamy Milk Chocolate and Whole Almond Choclate Bars, 40g for 39p at B&M