My neighbor Helen used to make this for every block party in the seventies. She finally shared the recipe before she moved to Florida.

My neighbor Helen used to bring this creamy chicken dish to every block party back in the seventies, right there on our little Midwestern street. She’d show up with her blue speckled enamel casserole dish, the top all pale and bubbly with just a kiss of golden color, and folks would line up before the folding tables were even set. For years she just smiled and said it was “nothing but a little chicken chantilly,” and wouldn’t say another word. Right before she packed up and moved to Florida, she finally sat at my kitchen table, wrote it out on a recipe card, and told me to keep the tradition going. It’s oven-baked, only three ingredients, and exactly the kind of no-fuss comfort food a home cook can pull together on a busy day.

I like to serve this chicken chantilly with buttered egg noodles or plain white rice so that pale, velvety sauce has something to soak into. A simple green vegetable—steamed broccoli, peas, or green beans—keeps it feeling like a good, honest supper. A crisp lettuce salad with a tangy vinaigrette balances the richness nicely, and if you’re feeding a crowd, a basket of warm dinner rolls never goes to waste because everyone ends up wiping the last of the sauce from the pan.

Servings: 4

2 pounds boneless, skinless chicken breasts (about 4 medium pieces)

Preheat your oven to 350°F (175°C). Set out a 2-quart baking dish or similar shallow casserole; if you have a blue speckled enamel one like Helen’s, this is its moment.

Pat the chicken breasts dry with paper towels. If they are very thick, slice them in half horizontally so they bake evenly and stay tender. Lay the chicken in a single layer in the baking dish, snug but not overlapping.

In a medium bowl, stir together the sour cream and condensed cream of chicken soup until smooth and well combined. It should be pale and creamy with no streaks.

Pour the sour cream mixture over the chicken, spreading it with a spatula so every piece is completely covered. The sauce should come up around the sides of the chicken and form a thick blanket over the top.

Cover the dish tightly with foil and place it on the middle rack of the preheated oven. Bake, covered, for 25 minutes to help the chicken cook gently and stay moist.

After 25 minutes, carefully remove the foil (watch for steam). Return the uncovered dish to the oven and continue baking for another 20–25 minutes, or until the top is lightly bubbling with just a hint of golden color and the chicken is cooked through. The internal temperature should reach 165°F (74°C) in the thickest part of each piece.

Once done, remove the casserole from the oven and let it rest for about 5–10 minutes. The sauce will thicken slightly as it cools, making it perfect for spooning over the chicken and any noodles or rice you serve alongside.

To serve, use a serving fork or spatula to lift out each chicken breast, letting the creamy sauce drip back into the dish, then spoon plenty of that chantilly-style sauce over the top on each plate.

Helen always said the beauty of this dish was that it stayed simple, but over the years a few small twists have worked well in my kitchen. If you like a little tang, you can swap half of the sour cream for plain full-fat Greek yogurt, keeping the total amount the same; it will be a touch thicker and slightly sharper in flavor. For a bit of extra savoriness while still keeping the spirit of the original, whisk in 1/4 teaspoon of black pepper or a small pinch of garlic powder into the sauce—just remember that the canned soup is already salty, so taste before adding any extra salt. If your chicken breasts are very large, consider cutting them into smaller cutlets or even thick strips; they will cook more evenly and stay tender. You can also use boneless, skinless chicken thighs instead of breasts; they stay juicy and are a little more forgiving if they cook a few minutes longer. For a slightly more browned top, move the dish to the upper third of the oven for the last 5 minutes, or briefly broil on low, watching closely so the pale sauce doesn’t scorch. Food safety tips: Always start with fresh or properly thawed chicken, never partially frozen, so it cooks evenly. Keep raw chicken and its juices away from salads, vegetables, and ready-to-eat foods, using separate cutting boards and utensils. Wash your hands, knives, and cutting boards thoroughly with hot, soapy water after handling raw chicken. Use a food thermometer to ensure the chicken reaches 165°F (74°C) in the thickest part, and refrigerate leftovers within 2 hours in shallow containers. Reheat leftovers until steaming hot before serving.