Jamie Oliver looks every inch the doting father in a brand new picture, which he shared on Instagram on Monday evening.The never-before-seen snap sees the celebrity chef cuddle up to both of his sons, Buddy, ten, and four-year-old River, in their vegetable patch at their large country home.GALLERY: 10 of Jamie and Jools Oliver's cutest family photosWATCH: Jamie Oliver says son River is always breaking thingsPromoting his lockdown cooking series, Keep Cooking Family Favourites, the TV star