Lamb With Eggplant And Tomato Salad

Ingredients

• 1 None large eggplant, cut into 4 - 1/3-inch thick slices
• 1 None red onion, sliced thickly
• 2 tbsp red wine vinegar
• 1 tbsp brown sugar
• 4 cloves garlic
• 3 1/2 tbsp butter, chopped
• 1/4 cup olive oil
• 1 tbsp finely chopped fresh flat-leaf parsley
• 1 lb small tomatoes
• 1 (1 lb) lamb tenderloin
• 3 tsp sumac
• 3 oz baby arugula
• 1/3 cup golden raisins