My great aunt survived on this easy 4-ingredient staple. Scoop this savory classic over toast and watch everyone ask for seconds.

This slow cooker 4-ingredient creamed tuna is pure Midwest comfort food, the kind of thing my great aunt swore kept her going through long winters and tight grocery budgets. It’s the definition of a pantry staple: just tuna, peas, cream of mushroom soup, and milk come together into a thick, creamy sauce that you scoop over toast. It’s not fancy, but it’s cozy, filling, and almost embarrassingly easy—perfect for nights when you’re tired from work but still want something homey that tastes like it simmered all afternoon (because, technically, it did).

Serve the creamed tuna generously over hot buttered toast or toasted bread squares so the sauce can soak into all the nooks. It’s also great over baked potatoes, rice, or egg noodles if you want to stretch it further. Add a simple green salad, sliced cucumbers, or steamed carrots on the side for something fresh and crunchy. If you like a little extra comfort, pair it with a mug of tomato soup or a bowl of canned fruit—very old-school, very diner-style cozy.

Servings: 4

2 (10.5-ounce) cans condensed cream of mushroom soup

Lightly spray the inside of a small slow cooker (2–4 quarts) with nonstick cooking spray to help with cleanup.

In the slow cooker, whisk together the condensed cream of mushroom soup and milk until the mixture is smooth and no streaks of soup remain.

Add the drained, flaked tuna and the frozen peas to the soup mixture. Gently stir until the tuna and peas are evenly distributed and coated in the creamy base.

Cover the slow cooker with the lid and cook on LOW for 3 to 4 hours, or on HIGH for 1 1/2 to 2 hours, until the mixture is hot, bubbly around the edges, and the peas are tender. Stir once or twice during cooking if you’re home, breaking up any larger clumps of tuna.

About 10 minutes before serving, taste and adjust the seasoning with a pinch of salt and pepper if desired (optional). The mixture should be thick, creamy, and spoonable—if it seems too thick, you can stir in a splash of extra milk.

Toast the bread slices until golden and crisp, then cut into halves or squares if you like. Place the toast on plates and generously ladle the hot creamed tuna and peas over the top, letting the sauce soak into the bread.

Serve immediately while hot and creamy. Refrigerate any leftovers in a covered container and reheat gently on the stovetop or in the microwave, thinning with a little milk if needed.

To keep this true to the spirit of a 4-ingredient staple, the base recipe uses just condensed cream of mushroom soup, milk, tuna, and peas, with toast as the classic serving vehicle. If you want to tweak it a bit, you can swap in cream of celery or cream of chicken soup for a slightly different flavor, or use canned salmon instead of tuna for a richer taste. For extra comfort, stir in a small handful of shredded cheddar or American cheese during the last 10 minutes of cooking until melted and smooth. If you’re watching sodium, choose low-sodium condensed soup and tuna packed in water with no added salt, and season lightly at the end so you stay in control. For a bit more texture, serve the creamed tuna over toasted English muffins, crusty baguette slices, or baked potatoes instead of plain sandwich bread. Food safety tips: Always drain canned tuna thoroughly to avoid watering down the sauce. Keep the mixture out of the temperature “danger zone” by refrigerating leftovers within 2 hours of cooking. Store leftovers in an airtight container in the refrigerator for up to 3 days, and reheat until steaming hot (165°F/74°C) before serving. Do not leave the cooked creamed tuna sitting on the warm setting of the slow cooker for more than 2 hours, as this can encourage bacterial growth.