Every single woman in my grandmother's bridge club had her own version of this, but hers won every time. The secret is embarrassingly simple.

This oven baked 4-ingredient Ritzy chicken casserole is the kind of dish that quietly wins every potluck and bridge night. My grandmother swore every woman at her bridge club had a version, but hers always disappeared first. The secret is embarrassingly simple: lean, mild chicken baked under a blanket of rich sour cream and cream of chicken soup, then finished with a thick layer of crushed buttery crackers that turn deeply golden and crisp in the oven. It’s pantry-friendly, weeknight-easy, and delivers that creamy-under-crunchy contrast that makes people go back for seconds without even asking what’s in it.

Serve this casserole piping hot with something green and fresh to balance the richness: a simple mixed salad with a sharp vinaigrette, steamed green beans with lemon, or roasted broccoli. Buttery dinner rolls or a crusty baguette are great for scooping up the creamy sauce, and plain white rice or mashed potatoes make a good base if you want to stretch the meal. For a small gathering, pair it with a crisp white wine or iced tea and a bright, citrusy dessert to keep the meal from feeling too heavy.

Servings: 6

2 pounds boneless, skinless chicken breasts, cut into 1-inch pieces

Preheat your oven to 350°F (175°C). Lightly grease a 9x13-inch white ceramic casserole dish or similar baking dish so the creamy sauce doesn’t stick.

Spread the chicken pieces evenly in a single layer in the bottom of the prepared casserole dish. This helps them cook at the same rate and ensures every bite gets the right ratio of sauce to crunch.

In a medium bowl, stir together the condensed cream of chicken soup and the sour cream until completely smooth and no streaks remain. This mixture is your rich, tangy base and the key to that creamy layer under the crust.

Pour the soup-and-sour-cream mixture over the chicken and use a spatula to spread it into an even layer, making sure all the chicken is completely coated. You shouldn’t see any bare chicken pieces peeking through.

Place the buttery round crackers in a zip-top bag and crush them with a rolling pin or the bottom of a heavy pan until you have coarse crumbs with some larger pieces left for texture. You’re aiming for a mix of fine crumbs and small shards, not cracker dust.

If using the melted butter, drizzle it into the bag with the crushed crackers, seal the bag, and shake until the crumbs are evenly coated. This step is the embarrassingly simple secret that gives the topping that deeply golden, extra-crispy finish that made my grandmother’s version stand out.

Sprinkle the buttery cracker crumbs evenly over the top of the creamy chicken layer, covering it completely and building a fairly thick blanket of crumbs. This generous topping is what gives you that dramatic spoonful: crispy crust on top, creamy chicken underneath.

Bake the casserole uncovered in the preheated oven for 30 to 35 minutes, or until the cracker topping is deep golden brown and crisp, the sauce is bubbling around the edges, and the chicken pieces are cooked through (they should reach an internal temperature of 165°F/74°C).

Let the casserole rest for 5 to 10 minutes before serving. This short rest allows the creamy layer to thicken slightly so it scoops more neatly while still giving you that luscious, saucy texture when you lift a big spoonful from the dish.

You can play with this four-ingredient framework while keeping the spirit of my grandmother’s bridge-club winner. For a slightly lighter version, use low-fat sour cream, though full-fat gives the best texture and flavor. You can also substitute boneless, skinless chicken thighs for the breasts; they stay very juicy and are more forgiving if slightly overbaked. If you prefer a stronger flavor, use cream of mushroom or cream of celery soup instead of cream of chicken, or add a teaspoon of garlic powder or onion powder to the soup-and-sour-cream mixture without increasing the overall ingredient count by much. For extra crunch, leave some larger cracker pieces when crushing, or mix in a handful of panko breadcrumbs with the crackers. Leftovers reheat well in a 350°F oven, covered with foil until warm, then uncovered for a few minutes to re-crisp the topping. Food safety tips: Always start with fresh, properly refrigerated chicken, and avoid rinsing raw chicken (it can spread bacteria around your sink). Use a clean cutting board and knife reserved for raw poultry, and wash them thoroughly with hot, soapy water before using them on any other ingredients. Ensure the chicken reaches an internal temperature of 165°F (74°C) in the thickest pieces before serving, and refrigerate leftovers within 2 hours in shallow containers. Reheat leftovers to at least 165°F before eating.