There are some dinners I make when I want something comforting without spending my entire evening in the kitchen, and this Chicken and Potato Bake is definitely one of them.

I usually reach for this recipe when I have chicken and potatoes sitting in the fridge and don’t feel like coming up with anything complicated. Honestly, the dry Italian dressing mix does most of the heavy lifting here. Add melted butter, toss everything together, pop it in the oven, and you end up with tender chicken, buttery potatoes, and flavorful green beans.

The best part? Everything cooks together in one baking dish, so cleanup is pretty painless too.

It’s simple, hearty, affordable, and perfect for a busy weeknight.

Ingredients

Here’s what you’ll need:

2–3 chicken breasts, cut into bite-sized cubes
3–5 small to medium potatoes, diced into small, even pieces
1½ cans green beans, drained
1 packet dry Italian dressing mix
1 stick butter (½ cup), melted

Optional additions

The original recipe is delicious as-is, but I sometimes add:

A little freshly ground black pepper
Garlic powder
A sprinkle of Parmesan cheese
Fresh parsley for serving
A pinch of red pepper flakes if you like a little heat

You really don’t need much extra seasoning because the Italian dressing mix already brings plenty of flavor.

How to Make Chicken and Potato Bake

1. Preheat the oven

Preheat your oven to 400°F (200°C).

Lightly grease a large baking dish. A 9×13-inch dish works well for this recipe, especially if you’re using three chicken breasts and plenty of potatoes.

2. Prepare the chicken and potatoes

Cut the chicken breasts into fairly small, bite-sized cubes.

Dice the potatoes into pieces that are roughly the same size. This is important because you want the potatoes to cook through at about the same time as the chicken.

I usually leave the potato skins on if I’m using thin-skinned potatoes. Just give them a good scrub first.

3. Add the green beans

Drain the green beans well and add them to the baking dish along with the chicken and potatoes.

Spread everything out into as even a layer as possible.

4. Add the Italian dressing mix and butter

Sprinkle the dry Italian dressing mix evenly over the chicken, potatoes, and green beans.

Melt the butter and drizzle it over everything.

Give the ingredients a good toss right in the baking dish so the butter and seasoning coat everything.

Honestly, this is where the magic happens. The Italian seasoning mixes with the butter as everything roasts, creating a savory coating for the chicken and potatoes.

5. Bake

Place the baking dish in the preheated oven and bake for approximately 35–45 minutes, depending on the size of your chicken and potato pieces.

Give everything a stir about halfway through cooking.

The chicken should reach an internal temperature of 165°F (74°C) in the thickest pieces, and the potatoes should be fork-tender.

If the potatoes need a little more time, simply continue baking for another 5–10 minutes.

6. Serve

Once everything is cooked through and the potatoes have started getting golden around the edges, take the dish out of the oven.

Let it sit for about 5 minutes, then spoon it onto plates and serve warm.

Tips for the Best Chicken and Potato Bake

Cut the potatoes evenly

This might be my biggest tip. If some potato pieces are huge and others are tiny, the small ones will be completely done before the larger pieces soften.

Don’t overcrowd the dish

Try to spread everything out rather than piling it into one thick mound. A little space helps the potatoes roast instead of simply steam.

Use a large baking dish

A 9×13-inch casserole dish is ideal for a full batch. If your dish is too small, divide everything between two dishes.

Stir halfway through

I usually give the chicken and potatoes a quick stir halfway through baking. It helps distribute the butter and seasoning and gives more pieces a chance to brown.

Watch the chicken

Chicken breast is lean, so you don’t want to dramatically overcook it. Start checking for doneness toward the 35-minute mark, especially if you’ve cut the chicken into small pieces.

Want crispier potatoes?

For extra golden edges, don’t cover the baking dish while it cooks. You can also turn the oven up slightly or use the broiler for the final couple of minutes—but keep a close eye on it.

What to Serve with Chicken and Potato Bake

This recipe is already a pretty complete meal because you’ve got protein, potatoes, and green beans all in one dish.

Still, if I’m serving it for a bigger family dinner, I like adding something simple on the side.

Try it with:

Warm dinner rolls
Crusty French bread
A simple green salad
Coleslaw
Steamed broccoli
A light cucumber and tomato salad
Applesauce for a family-friendly side

And if there’s extra buttery seasoning left in the bottom of the dish, a piece of crusty bread is excellent for soaking it up.

Storage and Reheating

Store leftover chicken and potato bake in an airtight container in the refrigerator for up to 3–4 days.

To reheat, microwave individual portions until steaming hot, or place the leftovers in a covered baking dish and warm them in a 350°F oven until heated through.

If the leftovers seem a little dry, add a small splash of chicken broth or a dab of butter before reheating.

Approximate Nutrition Information

Nutrition will vary depending on the exact size of the chicken breasts, potatoes, green beans, and amount of butter used.

Approximate per serving, assuming 6 servings:

Calories: 430–470
Protein: 32–36 g
Carbohydrates: 30–35 g
Fat: 20–23 g
Fiber: 4–5 g
Sodium: 700–900 mg

The Italian dressing mix can contribute a significant amount of sodium, so if you’re watching sodium, look for a lower-sodium seasoning mix or use less of the packet.

Frequently Asked Questions

Can I use chicken thighs instead of chicken breasts?

Absolutely. Boneless, skinless chicken thighs work really well and tend to stay especially juicy. Just cut them into similar-sized pieces and make sure the chicken reaches 165°F (74°C) internally.

Can I use fresh green beans?

Yes! Fresh green beans are a great substitute for canned. Trim them first and cut them into smaller pieces. They may retain a little more bite than canned green beans, which is actually quite nice.

Do I need to boil the potatoes first?

Nope. That’s one of the reasons I love this recipe. You can put the diced raw potatoes directly into the baking dish. Just make sure you cut them relatively small and evenly so they have enough time to become tender.

Can I prepare this casserole ahead of time?

Yes. You can chop the chicken and potatoes and drain the green beans ahead of time. For the best texture, I recommend combining everything relatively close to baking time rather than letting the raw potatoes sit in the butter mixture for hours.

How do I know when the chicken is done?

The safest way is to use an instant-read thermometer. The thickest pieces of chicken should reach 165°F (74°C). Don’t rely solely on the outside color of the chicken, especially when it’s mixed with the other ingredients.

Why You’ll Want to Make This Chicken and Potato Bake

This is one of those recipes that doesn’t need to be fancy to be really good. You’ve got juicy chicken, tender potatoes, buttery green beans, and plenty of Italian seasoning all baked together until everything is flavorful and golden.

I usually love recipes that give me a complete dinner without requiring three different pans, and this one checks that box perfectly.