Sainsbury’s shoppers will experience a throwback to the 90s as the price of Cadbury’s iconic Freddo bars drops down to 10p. The supermarket giant has lowered the price of the chocolate treats exclusively for Nectar members – so shoppers must hurry, as the offer ends on May 7. The delicious treat-size frog made from Cadbury’s trademark Dairy Milk chocolate has been a family favourite for generations. Freddo bars used to retail at 10p in the 1990s but have become progressively more expensive over time due to inflation. Rachel Clark, Sainsbury’s director of grocery, said: “We’re delighted to be c…