Preparation Whisk oil and 2 tablespoons basil in shallow bowl. Season with salt and pepper. Add cheese; spoon basil oil over. Cover; let stand at room temperature 2 hours. Remove cheese from basil oil. Reserve oil. Toss greens and 1/4 cup basil in large bowl. Add reserved basil oil and vinegar; toss. Season with salt and pepper. Divide among 6 plates. Top each salad with 1 cheese round and plum wedges.
Preparation Whisk oil and 2 tablespoons basil in shallow bowl. Season with salt and pepper. Add cheese; spoon basil oil over. Cover; let stand at room temperature 2 hours. Remove cheese from basil oil. Reserve oil. Toss greens and 1/4 cup basil in large bowl. Add reserved basil oil and vinegar; toss. Season with salt and pepper. Divide among 6 plates. Top each salad with 1 cheese round and plum wedges.