This is called dysgeusia and it refers to the perception of unpleasant, metallic or bitter tastes in food and dishes.
They may help to avoid bad tastes in foods.
Eat tapas-style (small amounts of many different dishes) rather than a single large dish of the same food.
To make sure that the necessary nutrients are included when eating tapas-style foods, start with the proportion of the plate method. This recipe is an example of adapting a balanced menu to tapas format.
Many times the bad taste of food is accentuated when it does not meet expectations; if different dishes that have never been tasted before are prepared, expectations are minimised and strange tastes are better tolerated. It is also an opportunity to get to know new food cultures and try spicy, appealing dishes that are also easy to prepare.