Easy Egg Salad Sandwich 

Ingredients:

6 large hard-boiled eggs, peeled
3-4 tablespoons mayonnaise (or Greek yogurt), to taste
1 teaspoon yellow mustard
Salt and pepper, to taste
8 slices sandwich bread
Lettuce (optional, for serving)
Instructions:

Prepare the Egg Salad:
In a mixing bowl, chop the hard-boiled eggs into small pieces.
Add the mayonnaise (or Greek yogurt), yellow mustard, salt, and pepper. Mix until well combined. Adjust the seasoning to taste.
Assemble the Sandwich:
Lay out 4 slices of sandwich bread.
Spoon a generous amount of the egg salad onto each slice.
If desired, add a layer of lettuce on top of the egg salad.
Top with the remaining 4 slices of bread.
Serve:
Cut the sandwiches in half and serve immediately, or wrap them up for a tasty lunch on the go!