to prepare your spaghetti, take a deep pan and add water. also, add salt and few drops of olive oil in the water. Adding salt in the water is strictly for the flavour. Adding oil helps pastas not to get too sticky.
boil your pasta until soften and drain them. Wash your boiled pasta in running water and keep aside.
preparing sauce mixture,
add cornflour. add maida.
add some milk in bowl.
add salt to taste.
add some oregano and chili flakes.
add lemon zest.
prepare a lump free mixture.
preparing french beans,
Cut french beans and transfer in a bowl.
add black pepper powder and some oil.
keep it aside for 10 mins and transfer them in a pan.
roast on high flame.(you can even bake it too)
keep aside.
final preparation
heat butter in a pan.
add gralic and saute for a while.
add the sauce mixture into the pan.
cook for 8 to 10 mins on medium flame. The mixture will start thickens.
once the sauce gets thick in texture, add boiled spaghetti.
mix well.
transfer in a serving bowl and top with roasted beans.