Preheat the oven to 190˚C, Gas Mark 5.
Scrub the organic carrots clean and trim off the tops, then place them in a large roasting tin. Add the oil, garlic, lemon juice, a third of the tarragon and plenty of salt and freshly ground black pepper, then toss well to mix.
Mix the butter with the lemon zest, remaining tarragon and some more black pepper. Divide the butter into four portions, then use your fingers to push each quarter under the skin of a chicken breast fillet.
Lay the organic chicken breasts skin-side up on top of the carrots and bake for 25–30 minutes until the carrots are lightly charred and the chicken is golden and cooked through, with no pink showing. Serve with green vegetables and new potatoes.
You could also make this dish with organic chicken thighs and drumsticks, just adjust the cooking time to 30 to 40 minutes.
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For top tips on protecting you and your family when preparing raw meat and poultry, visit Food Safety in the Home and view the full Food safety at home video.