1/2 medium red onion, finely diced
2 hard boiled eggs, peeled and chopped
8 slices bacon, cooked and crumbled
1 cup shredded cheddar cheese
1/2 cup mayonnaise
1 teaspoon mustard
salt and pepper to taste
Place all ingredients in a large bowl. Stir to mix. Add salt and pepper to taste. Refrigerate for at least 1 hour before serving.