My grandmother used to make a version of this 4 ingredient bake every spring and it always hits the spot

Every spring when the snow finally melted off the fields, my grandmother would pull out a well-worn foil pan and make a simple little turkey bake that signaled the season was truly changing. This 4-ingredient oven-baked turkey tetrazzini tortellini is my pared-down, weeknight version of her dish: ring-shaped cheese tortellini, tender roast turkey, a creamy mushroom sauce, and a blanket of Parmesan that bubbles and browns in the oven. It’s the kind of comforting, no-fuss casserole that fits right into a Midwestern kitchen—hearty, practical, and meant to be shared around a busy family table.

Serve this turkey tetrazzini tortellini straight from the foil pan while it’s still bubbling and creamy, with a simple green salad or steamed green beans to balance the richness. Warm dinner rolls or buttered garlic toast are perfect for swiping up the extra sauce. A crisp glass of white wine or iced tea pairs nicely, and if you’re feeding a crowd, set the pan in the middle of the table with a big serving spoon—this is meant to be scooped generously and enjoyed family-style.

Servings: 6

1 (20–24 oz) package refrigerated cheese tortellini (ring-shaped)

Preheat your oven to 375°F (190°C). Set a 9x13-inch disposable foil baking pan (or similar foil tray) on a sheet pan for easy handling.

Bring a large pot of salted water to a boil. Add the cheese tortellini and cook just until they float and are barely tender, 2–3 minutes less than the package directions. They will finish cooking in the oven. Drain well.

In the foil baking tray, whisk together the condensed cream of mushroom soup and 1 cup of the grated Parmesan cheese until you have a thick, creamy sauce. You do not need to add extra water or milk; the sauce will loosen as it bakes.

Add the drained tortellini and the diced roast turkey breast directly into the foil tray with the sauce. Gently fold everything together until the tortellini and turkey are evenly coated and well mixed.

Spread the mixture into an even layer in the foil tray, making sure the tortellini are mostly tucked into the sauce so they don’t dry out on top.

Sprinkle the remaining 1/2 cup grated Parmesan cheese evenly over the surface to create a good, cheesy topping.

Cover the foil tray loosely with an additional sheet of foil, tenting it slightly so it doesn’t stick to the cheese. Bake, covered, for 20 minutes.

Remove the top foil and continue baking for another 10–15 minutes, or until the casserole is bubbling around the edges and the top is lightly golden brown with a creamy, slightly thickened sauce.

Let the bake rest for 5–10 minutes before serving so the sauce can settle and cling to the tortellini. Serve warm right from the foil pan.

If you’d like to echo more of the old-fashioned tetrazzini flavor, you can stir in a handful of frozen peas or a small can of drained mushrooms along with the turkey, though this will take you beyond the strict 4-ingredient idea. For a slightly looser sauce, whisk 1/4–1/3 cup milk or chicken broth into the cream of mushroom soup before adding the cheese; for a thicker, stick-to-your-ribs casserole, keep the soup undiluted as written. Leftover roast chicken can be used in place of turkey with the same measurements. If you prefer a sharper flavor, use aged Parmesan and add a pinch of black pepper over the top before baking. For make-ahead prep, assemble the casserole, cover tightly, and refrigerate up to 24 hours; add 5–10 minutes to the baking time if going straight from the fridge. Food safety tips: Always cool leftover turkey quickly and store it in the refrigerator within 2 hours of cooking, and use it within 3–4 days for best safety and flavor. Reheat any leftovers of this casserole to at least 165°F (74°C) in the center before serving, and discard if it has been left at room temperature for more than 2 hours. Because this bake uses condensed soup and cheese, it will thicken as it cools; add a splash of milk when reheating if you prefer it creamier.