Soba Noodle Bowl with Beef and Grilled Vegetables

Ingredients

• 4 cups (700 g) sweet potato, peeled and cubed
• 2 red peppers, seeded and thinly sliced
• 2 tbsp (30 ml) olive oil
• 2 tbsp cilantro, finely chopped
• 1 tbsp fresh dill, finely chopped
• 1 red onion, thinly sliced
• 2 tbsp (30 ml) olive oil
• 1 tbsp (15 ml) rice vinegar
• 1 tbsp (15 ml) mirin
• 2 striploin or flap steaks, about ½ lb (225 g) each
• 1/2 lb (225 g) soba noodles
• 3 tbsp (45 ml) soya sauce
• 2 tbsp (30 ml) mayonnaise
• 1 tsp (5 ml) toasted sesame oil