Grilled Watermelon Salad

Bahan-bahan (8 porsi)

• One small 5-pound seedless watermelon, (cut into eight 1-inch wedges)
• 2 tablespoons olive oil
• salt and freshly ground black pepper, (to taste)
• 8 cups arugula ((washed and dried))
• 2 tablespoons balsamic vinegar
• 1 cup crumbled feta or goat cheese