Grilled Lamb with Warm Mint-Yogurt Potato Salad

Ingredients

• 2 cups small red potatoes (quartered)
• 1 tbsp extra-virgin olive oil
• 3 pinches salt
• 3 pinches pepper
• 1/4 cup plain, low-fat yogurt
• small handful mint leaves (sliced)
• pinch dried chili flakes
• zest from half a lemon
• 1/4 English cucumber (seeds removed, diced)
• 1 green onion (finely sliced)
• 1 tsp extra-virgin olive oil
• 8 lamb loin chops (bone in)
• salt and pepper (to taste)
• 8 slices large field tomatoes