Peanut noodles with roast sweet potato & lime

Ingredients

Quantities scaled from the original (2 servings).

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• 2 sweet potatoes (about 500g), wedges
• 2 tbsp rapeseed oil
• 1 tsp ground cumin
• 150g wholewheat noodles
• 3 tbsp peanut butter
• juice of 2 limes
• 1 tbsp reduced-salt soy sauce
• 1 tsp maple syrup
• 3 tbsp warm water
• half red onion, fine slices, pickled in lime
• handful coriander
• 1 tbsp crushed peanuts