1/2tspwhole peppercornsor about a heaping 1/4 tsp ground
seeds of 6 cardamom podsor about 3/4 tsp ground
2 1/4lbsboneless skinless chicken thighscut into bite-sized pieces
Place all marinade ingredients in a small blender or food processor and process on high speed until completely smooth. Pour into a shallow baking dish, add chicken, and turn to coat. Marinate at least 1 hour, preferably at least 4 hours (and up to 24 hours).
Preheat a grill at medium-high for about 12 minutes. Meanwhile, thread the chicken onto skewers. Grill chicken about 6 minutes on each side, until internal temperature reaches 165º F.