Broccoli with Sicilian Sauce

Name: Broccoli with Sicilian Sauce
Ingredients: 2 heads broccoli (about 2 1⁄2 lbs.), cut into florets; Kosher salt and freshly ground black pepper, to taste; 3 tbsp. extra-virgin olive oil; 4 sprigs flat-leaf parsley, finely chopped; 3 medium red onions, thinly sliced; 1⁄2 cup dry red wine; 2 tbsp. red wine vinegar; 1 heaping tbsp. tomato paste; 1⁄2 tsp. dried oregano; 1⁄8 tsp. red pepper flakes; 3 cloves garlic, thinly sliced; 1 (28-oz.) can whole peeled tomatoes (with liquid), crushed; 1⁄3 cup pitted black Sicilian olives; 1⁄3 cup seedless raisins; 1⁄3 cup pine nuts, toasted (optional)