There are simple ways to upgrade classic meals.Elena Shashkina/Shutterstock As a trained chef, I know a few cooking techniques that will make common dishes better. Create croutons by hand and peel your celery before adding it to cold salads. Make sure to chill your cookie dough before baking and to add salt to sweet treats. As a trained chef, I know that even the smallest tweak can make the largest difference on your final plate.