Roasted Sweet-and-sour Onions

Name: Roasted Sweet-and-sour Onions
Prep time: 45 min
Cook time: 45 min
Total time: 45 min
Yield: 6
Cuisine: Global
Ingredients: 118 milliliters dried currants; 2 Tbsps fresh lemon juice; 2 Tbsps olive oil; 4 mediums onions, unpeeled; 59 milliliters pine nuts, toasted; 3 Tbsps Sherry wine vinegar; 118 milliliters sweet vermouth or sweet Sherry