Make this recipe a recipe that people in that category can eat. categories: ['low_calorie'], recipe: boil the eggs until they are hardboiled. cut them into small pieces and put them into a bowl. add the onion, finely chopped, the celery, finely chopped, the mustard powder and mayonnaise into the bowl with the eggs. mix until blended. chill in the fridge for 2 hours before serving.

Target recipe: in a large bowl, mix together the onion, celery, yogurt or mayonnaise, dill, mustard, lemon juice, and salt. add the eggs to the mixture and gently mix them together. season with pepper to taste. use in sandwiches, with lettuce and tomatoes, or in a salad.