Tuna Hot Dish is a classic American casserole from the mid-20th century, especially beloved in the Midwest. Known for its comforting combination of pantry staples like potato chips, canned tuna, mushroom soup, and peas, this dish was a staple on weeknight dinner tables. It exemplifies the post-war era of convenience cooking, where simple, shelf-stable ingredients could come together to create a warm, satisfying meal. This recipe is perfect for busy households looking for a nostalgic, budget-friendly dinner option.