
2 tablespoons packed light brown sugar
1 tablespoon coarse kosher salt
1 tablespoon fennel seed
1 tablespoon coriander seed
10 fresh sage leaves
2 sprigs fresh tarragon, leaves removed
2 sprigs fresh thyme, leaves removed
2 tablespoons olive oil
2 teaspoons Dijon mustard
2 blood oranges, zested (2 tablespoons) and sliced
1 fennel bulb, fronds removed; bulb cut into lengthwise slices
1 large shallot, thinly sliced
¾ cup vegetable stock, plus additional if needed
1 (4- to 5-pound) young whole chicken
2 navel oranges, cut into wedges; divided
2 sprigs fresh sage, plus additional for garnish
2 sprigs fresh tarragon
2 sprigs fresh thyme, plus additional for garnish