Marcus Samuelsson's Killer Collards - Andrew Zimmern

Ingredients

• 1 cup (8 ounces) Spiced Butter (recipe below)
• 1 onion, chopped
• 2 Thai bird chiles, minced, or 1/2 teaspoon hot red pepper flakes
• 2 pounds collard greens, stemmed and chopped
• 1/4 cup apple cider vinegar
• 2 tablespoons brown sugar
• Coarse kosher salt
• 8 sticks unsalted butter
• 2 cloves garlic, minced
• 2 shallots, minced
• 2-inch piece ginger (peeled, sliced and smashed)
• 1 1/2 tablespoons coriander seeds
• 1 tablespoon cumin seeds
• 1 1/2 teaspoons fenugreek
• 1 1/2 teaspoons ajwain*
• 1 teaspoon freshly ground black pepper
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon ground turmeric