Preheat oven at 180°c

Grind blanched spinach with onion and green chillies to a fine paste

Prepare cheesy white sauce and keep aside

Now add spinach paste in the white sauce, add salt, black pepper and mixed dried herbs.

Add cooked spaghetti in this mixture, transfer in a baking dish and sprinkle with cheddar cheese

Bake for 20 minutes or till the top is golden brown.