Baked Citrus Wings with Spicy Avocado Greek Yogurt Dipping Sauce

Name: Baked Citrus Wings with Spicy Avocado Greek Yogurt Dipping Sauce
Ingredients: 1/4 cup plain Greek yogurt; 1 avocado, halved, pitted and flesh scooped out; 1 jalapeno, stemmed, seeded and chopped; Juice of 2 limes; Kosher salt; Vegetable oil, for the oiling the baking sheets; 4 pounds split chicken wings, wing tips removed; Kosher salt and freshly ground black pepper; 1/2 cup pineapple preserves; 2 teaspoons finely grated fresh ginger; Juice of 2 oranges; Pinch of cayenne pepper; 2 scallions, thinly sliced