Braised Pork Shoulder with Grilled Walla Walla Sweet Onions

Ingredients

• 1 1/2 to 2 pounds all-natural boneless pork shoulder, cut into 4 to 5 strips
• Salt and ground black pepper
• 2 tablespoons olive oil
• 1/4 cup finely minced garlic
• 1/4 cup finely minced capers
• 1/4 cup finely minced anchovies
• Pinch dried red pepper flakes (optional)
• 1 cup diced Walla Walla sweet onion
• 2 quarts chicken stock, or enough to cover meat
• 2 cups dry white wine