Walls Strawberry Cornetto

(196kcal per 125ml cone)

to burn one of these off, you would have to:

Run for 14mins

Walk for 53 mins

Sit quietly for 2hrs 13 mins

A Magnum

(302kcal per 120ml bar)

Run for 21 mins

Walk for 1 hour 21 mins

Sit quietly for 3hrs 26mins

Lemon sorbet

(256kcal per 200ml portion)

Run for 18mins

Walk for 1 hr 9mins

Sit quietly for 2 hours 54 mins

Walls Soft-Scooped Vanilla ice cream

(83kcal per 200ml)

Run for 6 mins

Walk for 22mins

Sit for 56 mins

· Sources: Calorie Counter, Collins gem; Fitnessonline.com Times are calculated for a 10-stone person walking at 3mph or running at 7mph.