Buttermilk Grilled Chicken

Ingredients

• 1 1/2 cups buttermilk
• 4 teaspoons grated fresh ginger
• 4 teaspoons minced garlic
• 2 teaspoons cumin
• 2 teaspoons salt
• 1/2 teaspoon ground red pepper
• 2 chickens (3 to 3 1/2 lbs. each), cut up
• Lemon wedges, for garnish