Cochinita Pibil on the Grill (for 6) - Rick Bayless

Ingredients

• 1/2 of a 3.5-ounce package prepared achiote seasoning
• 1/2 cup lime juice (divided use)
• 1/4 cup orange juice
• Salt
• 1/2 of a 1 pound package banana leaves, defrosted if frozen (optional)
• 3 pounds boneless pork shoulder roast
• 1 large red onion, thinly sliced
• About 1/2 cup roasted-chile salsa or bottled habanero hot sauce (I like Yucateco and Frontera brands)