Before serving up your next spaghetti supper, you might want to consider adding a little lemon juice. We all add a sprinkle of salt to our recipes to enhance the flavor—lemon does the same thing, minus all the extra sodium. Using freshly squeezed lemon juice in your next batch of spaghetti sauce will help bring out all the delicious flavors, like the acidity of tomatoes. The same concept can be applied to all types of pasta and a variety of sauces.