Lamb Burgers with Fruity Relish

Name: Lamb Burgers with Fruity Relish
Prep time: 20 min
Cook time: 10 min
Total time: 30 min
Cuisine: American
Ingredients: 400 g lean ground lamb; 1 carrot (grated); 1 small onion (finely chopped); 2/3 cup fresh whole-wheat breadcrumbs; 1/8 tsp nutmeg (freshly grated); 2 tsp fresh thyme leaves (or 1 teaspoon dried thyme); pepper (to taste); 1 large egg (beaten); 2 tsp extra virgin olive oil; 4 whole-wheat buns; lettuce (shredded, to garnish); 1 orange; 100 g fresh or thawed frozen raspberries; 2 tsp dark brown sugar