Cochinita Pibil from the Slow-Cooker - Rick Bayless

Ingredients

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