Sweet-and-Sour Pork Skewers with Pineapple

Ingredients

• Sweet-and-Sour Sauce
• ½ cup pineapple juice
• ¼ cup rice vinegar
• 2 tablespoons ketchup
• 1 teaspoon sriracha
• 1 tablespoon soy sauce
• 1 garlic clove, minced
• 3 tablespoons sugar
• 2 teaspoons cornstarch
• Skewers
• 1½ pounds pork tenderloin, cut into cubes
• 1 pineapple—peeled, cored and cubed
• Extra-virgin olive oil, as needed
• Salt and freshly ground black pepper
• 1 bunch scallions, thinly sliced