Preheat oven to 200C/180C fan forced. Line 2 baking trays with baking paper.
Combine 1 tbsp miso and 1 tbsp mirin in a large bowl. Toss through tofu until coated. Arrange on 1 prepared tray. Place sweet potato on remaining tray. Lightly spray both with oil. Roast sweet potato tray for 5 minutes then add tofu tray. Roast for 15-20 minutes or until sweet potato is tender and both are golden.
Meanwhile, boil, steam or microwave the broccoli and edamame until bright green and tender crisp. Drain. Combine the vinegar, oil, honey and remaining miso and mirin in a small bowl until smooth.
Divide the salad leaves, radish, broccoli, edamame, sweet potato and tofu among serving bowls. Drizzle over the miso dressing to serve.
