Wash the lettuce and pat dry with a paper towel. Shred into 1-inch strips and add to a large bowl.
Peel the cooled hard boiled eggs and slice them with a sharp knife. Add to the bowl.
Add the cooked red or pinto beans to the bowl.
Add the optional finely chopped fresh parsley.
In a small bowl add the fresh lemon or lime juice, kosher salt and pepper.
Add the olive oil to the bowl in a slow stream while whisking vigorously to emulsify the dressing.
Pour the dressing over the salad and toss to coat all the ingredients.
Serve with a roll or slice of crusty bread.
