Gremolata, the name given to the tasty blend of chopped fresh parsley, freshly grated lemon peel, and pungent garlic we use here, is a popular way to finish a meat, poultry, or fish dish in Italy. Try gremolata scattered over steamed green beans or new potatoes..
Remove giblets and necks from hens; reserve for another use.
With poultry shears, cut each hen lengthwise in half.
Rinse hen pieces with cold running water; pat dry with paper towels.
In small bowl, combine 2 tablespoons parsley with oil, salt, and pepper.
With fingertips, carefully separate skin from meat on each hen half; spread parsley mixture under skin.
Place hens, skin side up, in large roasting pan (17” by 11½ ”).
Roast hens, basting with drippings three times, until instant-read thermometer registers 165°F when inserted into thickest part of thigh, about 50 minutes.
Arrange hens on warm platter.
In cup, combine remaining 1 tablespoon parsley, garlic, and lemon peel; sprinkle over hens.