There’s something comforting about a fresh cup of coffee, especially when it reminds us of family traditions. Long before specialty coffee shops and expensive machines became popular, home cooks often relied on simple pantry tricks to improve the flavor of their brew. One old-fashioned method involves adding a small amount of an unexpected ingredient to the coffee grounds.

Two traditional options are clean, crushed eggshells or a tiny pinch of salt. Eggshells are largely made of calcium carbonate, while salt can reduce the perception of bitterness. Used in small amounts, either may help create a smoother-tasting cup without changing the coffee completely.

If you want to try the eggshell method, rinse the shells thoroughly and allow them to dry before crushing them into small pieces. Add a small amount to the coffee grounds before brewing, then discard the shells with the used grounds. For the salt method, only a very small pinch is needed; adding too much can make the coffee taste noticeably salty.

These simple techniques can be especially appealing when paired with an easy breakfast. Whole-grain toast topped with mashed avocado, a little lemon juice and a light sprinkle of salt provides a combination of fiber and healthy fats that can complement a warm cup of coffee.

Whether you prefer eggshells, salt or simply your usual brewing method, these old-fashioned ideas show how home cooks have long experimented with simple ingredients. Sometimes, a tiny adjustment is all it takes to change the flavor of a familiar drink and add a little nostalgia to your morning routine.