Tuna macaroni salad is a beloved cold dish that brings together pantry staples with fresh ingredients for a quick, flavorful meal. Popular in potlucks and picnics across America, this salad features elbow macaroni, tuna, vegetables, olives, and a tangy Italian-mustard dressing. With its satisfying blend of textures and tastes, it's both hearty and refreshing. This recipe embraces the nostalgic comfort of mid-century home cooking, designed to be both easy to prepare and perfect for sharing.