Garlic Sesame Noodles

• 200 g soba noodles
• 0.25 cup soy sauce
• 2 tbsp maple syrup
• 1 tbsp sriracha
• 2 tbsp sesame oil
• 1 capsicum, thinly sliced
• 1 carrot, cut into matchsticks
• 4 garlic cloves, crushed
• 300 g broccoli, cut into small florets
• 2 spring onions, thinly sliced
• 1 tbsp sesame seeds