• 8 garlic cloves, finely chopped
• 3 tablespoons whole grain mustard
• 3 tablespoons light brown sugar
• 2 tablespoons kosher salt
• 2 teaspoons freshly ground black pepper
• 2 teaspoons oregano leaves, finely chopped
• 1 1/2 teaspoons smoked paprika
• 1 skinless, boneless pork shoulder roast, tied (Boston butt; about 6 pounds)
• 1 large shallot, finely chopped
• 2 cups basil leaves, finely chopped
• 1 1/4 cups extra virgin olive oil
• 1/4 cup oregano leaves, finely chopped
• 1 teaspoon crushed red pepper flakes
• 1/2 cup fresh lemon juice
• A (4-quart) slow cooker