My older sister brought this to every family picnic growing up and there were never any leftovers. Just 4 simple ingredients give it a rich crust that tastes exactly like nostalgia.

This oven baked 4-ingredient sour cream herb chicken is the kind of dish that shows up at every family picnic and disappears before anyone thinks to take a photo. My older sister started bringing a big casserole of it to our Midwestern potlucks in the late 80s, and the rich, tangy crust of sour cream and seasoned stuffing crumbs became a family legend. It is unfussy home cooking: just chicken, sour cream, a packet of herb stuffing mix, and a little butter to help everything crisp in the oven. The result is tender chicken under a thick, nostalgic crust that tastes like it came straight from a church basement buffet table.

Serve this sour cream herb chicken straight from the casserole dish with a big spoon so you catch both the juicy chicken and the loose, crispy crumbs. It pairs beautifully with simple sides like buttered green beans, steamed broccoli, or a crisp garden salad to cut through the richness. On the starch side, mashed potatoes, buttered egg noodles, or a basic rice pilaf soak up the creamy pan juices nicely. For a picnic or potluck, I like it at warm room temperature alongside coleslaw, sliced tomatoes, and dill pickles for that classic Midwestern spread.

Servings: 6

2 1/2 to 3 pounds boneless, skinless chicken breasts or thighs (about 6 pieces)

Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch ceramic casserole dish with butter so the chicken and sauce do not stick and the edges can develop those browned, baked-on bits.

Pat the chicken pieces dry with paper towels. This helps the sour cream coating cling and keeps excess moisture from diluting the sauce. Arrange the chicken in a single layer in the prepared casserole dish, with a little space between pieces if possible.

In a medium bowl, stir the sour cream until smooth. If your stuffing mix is very salty or heavily seasoned, you do not need to add any extra salt here. Spread the sour cream evenly over the top and sides of the chicken, using a spatula or the back of a spoon. You want a generous, thick blanket of sour cream covering each piece; this is what keeps the meat moist and forms the base of the rich crust.

Pour the dry herb-seasoned stuffing mix into a separate bowl and gently crush any very large pieces with your hands, leaving most of the crumbs fairly coarse so they crisp nicely. Sprinkle the stuffing mix evenly over the sour cream–coated chicken, covering the surface completely and letting some crumbs fall into the spaces between pieces.

Drizzle the melted butter evenly over the stuffing layer. Aim to moisten as much of the surface as possible; this helps the crumbs turn golden brown and crunchy in the oven while the sour cream bubbles underneath.

Place the casserole dish on the middle rack of the preheated oven. Bake for 35 to 45 minutes, or until the chicken is cooked through, the sour cream is bubbling around the edges, and the stuffing crumbs are deeply golden and crisp. The exact time will depend on the thickness of your chicken pieces; boneless breasts may take closer to 40 minutes, while thighs can be slightly quicker.

Check for doneness by inserting an instant-read thermometer into the thickest part of a piece of chicken without touching the bottom of the dish. It should read at least 165°F (74°C). If the crumbs are browning too quickly before the chicken is done, loosely tent the dish with foil for the last 5 to 10 minutes of baking.

Let the casserole rest for about 5 to 10 minutes before serving. This brief rest allows the juices to settle and the sour cream sauce to thicken slightly so it clings to the chicken and crumbs. To serve, scoop out portions with a large spoon, making sure to scrape up some of the creamy sauce and loose crispy stuffing crumbs from the bottom and edges of the dish.

To keep the spirit of the original 4-ingredient recipe, any variations should still rely on the same basic quartet: chicken, sour cream, herb stuffing mix, and butter. You can, however, play within those boundaries. For a slightly lighter version, use a mix of full-fat and light sour cream (avoid fat-free, which tends to break and turn watery when baked). If you prefer darker meat, boneless, skinless chicken thighs stay very juicy and can handle a few extra minutes in the oven without drying out. For more herb flavor, choose a stuffing mix labeled "savory herb" or "traditional herb" and gently crush only the largest croutons so you keep a mix of fine and chunky crumbs for better texture. If you like a bit more browning on top, switch the oven to broil for 1 to 2 minutes at the end, watching very closely so the crumbs do not burn. Food safety tips: Always start with fully thawed chicken; baking from frozen will cook unevenly and can leave the center underdone while the topping overbrowns. Use an instant-read thermometer and do not rely solely on color; the internal temperature should reach 165°F (74°C). Keep raw chicken and its juices away from the sour cream until you are ready to assemble, and discard any leftover sour cream that has come into contact with raw chicken. Wash your hands, cutting boards, and utensils thoroughly with hot, soapy water after handling raw poultry. Leftovers should be cooled quickly, then stored in an airtight container in the refrigerator and eaten within 3 to 4 days; reheat until steaming hot before serving.