Nibblous | spinach frittata

Ingredients

• 1 tbsp olive oil
• 1 red onion, chopped
• 1 red pepper, chopped
• 150g spinach leaves
• 1 clove garlic, crushed
• 6 spring onions, chopped
• 500g sliced new cooked potatoes
• 3 eggs
• 4 tbsp milk
• 1 tbsp chopped basil
• 2 tbsp chopped fresh chives
• salt and black pepper
• 25g grated Parmesan cheese
• 25g grated Cheddar cheese