Leftover Ham Salad - cooking recipe

Ingredients

8 ounces diced cooked ham
1 cup finely diced celery
1 cup finely diced red onion
1/3 cup mayonnaise, or more to taste
1 teaspoon dried rosemary leaves, crumbled
2 cups torn romaine lettuce, or to taste
1/4 cup ranch dressing

Preparation

Mix ham, celery, and red onion in a large bowl; add mayonnaise and rosemary and stir to coat.
Refrigerate ham mixture for at least 1 hour.
Put lettuce into a large bowl. Spoon ham mixture over the lettuce. Serve with ranch dressing on the side.