Pickled Pineapple Salsa

Ingredients

• 1/3 cup white distilled vinegar
• 1 tablespoon crumbled dried Mexican oregano
• 1 tablespoon sugar
• 1 jalapeno pepper, stemmed, seeded and finely chopped
• 1/2 small red onion, sliced
• 1/4 pineapple, peeled, cored and finely diced (about 2 cups)
• Kosher salt and freshly ground black pepper