Many companies offer cookbooks for one or two. But check the recipes. Some recipes for one or two people have expensive ingredients. Look for one that suits your taste and budget. Other solutions After all the time and effort you've put into preparing a meal, don't forget the table.
Many cooks know that looks often make the meal, even when eating alone.
Vary the color of your foods or accompaniments. A meal of foods that are all the same color is dull to the senses. Choose multi-colored foods and use your best plates. Try music or flowers on the table. Make it fun to cook and eat for one.