Sweet potato frittata with coriander chilli sauce

Coriander chilli sauce

• 1 garlic clove
• 1 fresh green chillies deseeded if preferred
• 2 sprigs fresh coriander leaves and stems
• 50 g extra virgin olive oil
• 20 g lemon juice (approx. ½ lemon)
• 1 tsp ground cumin to taste
• 1 pinch ground sea salt

Frittata

• 100 g red onion cut into halves
• 2 cm piece fresh ginger peeled
• 1 tbsp extra virgin olive oil
• 100 g zucchini cut into pieces (3-4 cm)
• 250 g sweet potato cut into pieces (3-4 cm)
• 6 eggs
• 1 tsp ground sea salt
• 50 g feta cheese
• 20 g pepita seeds toasted (optional)