If your dish has become too sweet, then adding lemon juice or vinegar will fix it easily
If you have put too much salt in your dish, add a couple of potato slices to it and the problem will be solved instantly
This can be sorted by adding a little bit of yogurt or curd to your dish
Add half a spoon of sugar, jaggery or honey according to your taste to fix the sourness of your dish
Add a little hot water to it and give it a whirl with the blender to fix the lumps
If you have overcooked your pasta, don’t worry. Put some olive oil in a pan and stir fry your pasta in it for some time
Do not throw away these vegetables or don’t fret over them. Just blend them and make a stew or soup or purees and make most out of them