The 25-year-old says he eats as many of the chocolate ice creams as he can when at home, from lunchtime right through to the end of the day.
The Grand Slam winner took part in an “emotional” walkabout of his home town of Dunblane at the weekend.
Now ranked number three in the world, Murray said the Stirlingshire town was “a very special place” for him.
The Scot also revealed he received hate mail after making a throwaway comment about supporting “anyone who England are playing.”
He said he preferred the 270-calorie Feasts to chips: “I like Feast ice creams.
“I can get through about three or four of them in day when I’m at home.
“I’m not really into chips that much, and sweets hurt my teeth now – I had too many of them when I was younger.
“Ice cream is the only thing I’d eat a lot of when I’m back around the house, I can have it from midday till I go to bed.”
In the build-up to Wimbledon in 2006, he faced a torrent of abuse after saying he would support any team playing England in the World Cup.
He said: “I was still a kid and was getting stuff sent to my locker at Wimbledon that said ‘I hope you lose every tennis match for the rest of your life.’
“People within the grounds of Wimbledon were saying stuff to me, too.
I felt I hadn’t done anything wrong.”
He continued: “I started to understand how things worked after that.
“I started to become more guarded and spoke with people about how to deal with that stuff.
“You need to try to be yourself, but if people don’t like you, it’s not your problem.
“You need to make sure you stay true to yourself and the people around you.
“Hopefully, things will turn around.
Murray also gave his thanks to fans who have supported him in his recent tournaments, including his cathartic match against Roger Federer at Wimbledon.
He said: “It’s a shame it took me to cry at Wimbledon to change that perception of me.
“The support I’ve had over the last few months has been unbelievable.
“It always helps when you have support behind you.
“Obviously you see the hard work that is done, but the performances of the athletes at the Olympics, the support of the nation and the media, helped the performance, no question.”