Roasted Broccoli, Red Onion and Grape Salad - Inspired Cuisine

Ingredients

• 2 heads broccoli (florets)
• 1/2 red onion (peeled and thickly sliced)
• 2 tbsp olive oil to drizzle over the broccoli and red onion
• kosher salt
• 3/4 cup golden raisins
• 6 tbsp sherry vinegar
• 2 cups red seedless grapes (halved)
• 1 cup chopped celery
• 1 cup sliced almonds (toasted)
• 1/2 cup mayonnaise
• 2 tbsp milk
• 1 tbsp sugar
• 1 tbsp white wine vinegar
• Kosher salt and freshly ground black pepper