I would add some vegetable beside salad in the menu as well
Macaroni salad will be really good, kid too will like it
http://allrecipes.com/Recipe/Simple-Macaroni-Salad/Detail.aspx
I usually follow this recipe but instead of putting 1 cup of mayo I only put 2 tbs and lots of Italian dressing
cold ferrni will be good for hot summer afternoon dessert.