4-Ingredient Cast Iron Skillet Cookie (Cake Mix!)

---

Okay, I need to set the scene for you. It was 2020. We were all stuck in the house. My kitchen had turned into my full-time hobby, my stress outlet, and apparently my entire personality for the better part of a year. Every single person I knew was suddenly “baking their sourdough” and “exploring new recipes,” and I was right there with them — except I was also pregnant, craving something sweet, and not interested in making a full batch of scratch cookie dough from ingredients I may or may not have had in the pantry.

So I did what any reasonable, pregnant, cookie-obsessed woman would do. I looked at what I had. Yellow cake mix: check. Butter: check. Eggs: check. Chocolate chips: absolutely check — I always have chocolate chips. And twenty minutes later I had a warm, gooey, deep dish skillet cookie that made me feel like I had genuinely figured out the meaning of life.

Now I have to be real with you — my love for chocolate chip cookies is not casual or mild. It is a full-blown, lifelong situation. It started when I was young and my mom made a batch of homemade chocolate chip cookies — the edges and bottoms were burnt, but none of that mattered the moment I dipped one in a cold glass of milk for the first time. I was done. The sugar ran through my veins and I knew I was a cookie junkie from that day forward.

I have eaten chocolate chip cookies in the morning, the afternoon, the evening, and absolutely in the middle of the night. I once thought seriously about buying a chocolate chip cookie candle just to curb the craving without the calories. I have combined cookies into other desserts, made them in every format imaginable, and I still believe that somewhere up in heaven the clouds are giant cookies and God himself is the baker. That is just where I am spiritually on this topic.

This skillet cookie is everything I needed it to be during that pandemic season — easy, minimal dishes, minimal ingredients, and maximum satisfaction. And I’ve been making it ever since.

What Is a Skillet Cookie (aka Pizookie)?

A skillet cookie — sometimes called a pizookie, a deep dish cookie, or a cookie cake — is basically a giant cookie baked in a cast iron pan instead of scooped onto a baking sheet. The cast iron holds heat differently than a regular baking pan, which means the edges get that slightly crisp, golden finish while the center stays thick, dense, and almost molten if you pull it out at the right time.

The BJ’s Restaurant pizookie is basically what made this dessert famous, and once you try it at home you’ll fully understand why people lose their minds over it. Warm cookie + cold ice cream + the contrast of textures is genuinely one of the best dessert combinations in existence.

The difference with this version? Four ingredients. No creaming butter and sugar. No chilling dough. One bowl, one skillet, done.

Why Use Cake Mix for a Cookie Recipe?

Hear me out — because I know “cake mix in a cookie” sounds like a shortcut that might produce something mediocre. It does not. Here’s why it actually works really well:

• The cake mix already has the flour, sugar, leavening, and salt all balanced out — so you’re not measuring six different dry ingredients.
• It gives the cookie a slightly softer, more cakey texture in the center, which is exactly what you want in a deep dish skillet cookie.
• It’s a shelf-stable pantry staple that you probably already have, which makes this a true “no grocery run needed” dessert.
• You can swap in different cake mix flavors and completely change the cookie — more on that in a minute.
• I used yellow cake mix here, which gives you a classic, buttery base that tastes like a chocolate chip cookie should. But this recipe is genuinely one of the most flexible things I make.

What You Need (Just 4 Things)

• Yellow cake mix — one box. This is your base. It handles the dry ingredients so you don’t have to.
• Butter, melted — one stick. Butter gives you flavor and richness. It also helps the edges crisp up beautifully in the cast iron.
• Eggs — two large eggs. These bind everything together and give the cookie its structure without making it dry.
• Chocolate chips — two cups. I use milk chocolate because that’s my personal preference — it melts a little sweeter and more gooey. Semi-sweet works great if that’s your thing. More on chip options below.

That is genuinely it. No vanilla extract. No measuring flour. No softening butter at room temperature (melted butter is faster and you will not miss the step).

Tips for the Best Skillet Cookie Every Time

• Underbake it. I cannot stress this enough. The center should look slightly underdone when it comes out of the oven. The carryover heat in the cast iron will finish the job and you’ll end up with that perfect gooey center instead of a dry, overbaked puck.
• Spray your skillet well. Cast iron is not naturally non-stick and a generous coat of cooking spray is what saves your cookie from becoming permanently attached to the pan.
• Serve it warm. This dessert is at its absolute best within about 15 to 20 minutes of coming out of the oven. The cookies-and-ice cream experience is fully dependent on that warm-cookie, cold-ice cream contrast.
• Don’t skip the ice cream. I mean, technically you can eat it without ice cream. But why would you do that to yourself.

Ways to Switch It Up

One of my favorite things about this recipe is how flexible it is. Once you understand the base — one box of cake mix + butter + eggs + mix-ins — you can take it in almost any direction:

Change the cake mix flavor: Chocolate cake mix + chocolate chips = a double chocolate deep dish situation that is absolutely unhinged in the best way. Lemon cake mix + white chocolate chips = a bright, summery take that’s perfect for spring. Funfetti mix + rainbow chips or M&Ms for a birthday-style skillet cookie that kids will completely lose it over. Red velvet mix + cream cheese chips for something a little more special occasion.

Change the chips: Milk chocolate, semi-sweet, dark chocolate, white chocolate, peanut butter chips, butterscotch chips, or a combination. Two cups total — mix and match however you want.

Add-ins: Chopped walnuts or pecans, toffee bits, Oreo pieces, or a swirl of peanut butter pressed into the top before baking. All fair game.

Topping ideas: Vanilla ice cream is the classic. Whipped cream, hot fudge, caramel sauce, or a drizzle of peanut butter are all excellent. A sprinkle of flaky sea salt on top is my personal secret weapon — it makes the whole thing taste more intentional and complex without any extra effort.

How to Store Leftover Skillet Cookie

I am going to be very straightforward with you: there are rarely leftovers. But on the off chance you have some:

Room temperature: Cover the skillet with foil or plastic wrap and store at room temperature for up to 2 days. It won’t be as gooey as day one but it’s still very good.

Refrigerator: Store covered for up to 4 days. Reheat individual slices in the microwave for 15 to 20 seconds to bring back that warm, gooey texture. Add fresh ice cream when you reheat. You deserve it.

Freezer: Yes, you can freeze it. Wrap individual portions tightly in plastic wrap and store in a zip-lock freezer bag for up to 2 months. Thaw at room temperature and microwave to warm through before serving.

Commonly Asked Questions

Similar Recipes

If you enjoy cast-iron dessert recipes, you will enjoy the ones below:

• Dutch Apple Pie Recipe (Easy Cast Iron Skillet!)
• Easy Skillet Almond Shortbread Recipe -(Ready in 30 Minutes)
• Deep Dish Apple Pizza

Print