3 chicken wings without Recipes

chicken wings, celery ribs, cut into 2-inch lengths, carrots, quartered, onion, left unpeeled, trimmed, and halved, parsley stems (without leaves ), turkish or 1/2 california bay leaf, peeled ginger, thinly sliced, green cardamom pods, crushed, black peppercorns, cold water, chopped chives plus more for garnish, half-and-half, whole large egg plus 1 large yolk, equipment : 1 flexible silicone hemisphere mold with 24 rounded cups or 2 lightly oiled nonstick mini-muffin pans