Heat the oil in a non-stick pan; add the garlic, ginger, green chillies and sauté on a medium flame for 1 minute.
Add onions to it and sauté on a medium flame till translucent
Add the tricolor capsicum and cauliflower florets and sauté again on a medium flame.
Add carrots and French beans.
Add the schezwan sauce, tomato ketchup and salt, mix well and cook on a medium flame for 1 minute, while stirring occasionally. Keep aside.
Boil the spaghetti as per package instructions in the wide and heavy bottom pan. Add 2 tbsp of oil so that they won’t stick together.
Once they are done, in a wok add oil, salt, chilly and few herbs , add boiled spaghetti and give a quick stir.Plate as per your choice with stir fry.