Caramelized Ripple Chocolate Chip Cookies

These Ripple Chocolate Chip Cookies are so flavorful with rich buttery caramel flavors, super crisp and crunchy edges, slightly soft and chewy in the middle and beautifully rippled all around. They are thin chocolate chip cookies that are unlike any other recipe on my site with their unique method for baking on an unlined baking sheet and the high butter to flour ratio. If you've heard of pan-banging cookies, these have the same effect without the need to bang your pan half way through baking. "Pan-banging" cookies are known for their large, round, flat shape and crisp, wrinkly edges - it kind of reminds me of a mud pie. These cookies are large and thin with so much great texture. Everyone who makes these absolutely loves them.

WHY THIS RECIPE WORKS

• No pan banging - some recipes ask you to reach into the oven, lift the pan off the rack and let it go so that the force of the pan hitting down will cause the semi-cooked cookie dough in the center to deflate and ripple out. That's not necessary with this recipe so you can set your timer and walk away.
• Rich butterscotch flavor - the high butter to flour ratio means that these cookies taste so buttery with the perfect amount of sweet and salty balance.
• Crunchy caramelized edges - those caramelized edges are shatteringly crisp like candy. They taste like toffee and makes these cookies highly addictive!
• Soft centers - while the edges are crunchy, the middles are soft and chewy.
• Rippled edges - as the cookies bake, the butter melts and they spread out while simultaneously cooking and setting so they get this wrinkled effect.

INGREDIENTS FOR RIPPLE CHOCOLATE CHIP COOKIES

• Butter - there is no substitute for butter in chocolate chip cookies in my opinion! It is the foundation of the rich butterscotch flavor after all. In this recipe, you can use salted or unsalted butter, but if you choose salted then I recommend reducing the added salt to ¼ teaspoon.
• Granulated sugar - this recipe uses equal parts white granulated sugar and brown sugar. White sugar helps create the crunchy caramelized edges. I wouldn't recommend reducing the sugar because it will compromise the chewy texture.
• Brown sugar - I highly recommend dark brown sugar for this recipe as it has twice as much molasses as light brown sugar and will make a big difference to the flavor. It will also make the dough more acidic which means it will react more thoroughly with the baking soda so that you won't be left with a soapy taste (a defect I find common in many chocolate chip cookie recipes).
• Egg - you'll need one whole egg for this recipe. It's the perfect amount of moisture to make these cookies chewy and help them spread.

• Pure vanilla extract - good vanilla is absolutely essential to making delicious chocolate chip cookies. I like this Madagascar Bourbon Vanilla extract.
• Salt - don't leave out the salt! It really elevates the rich buttery, caramel flavors! It also enhances the chocolate taste and balances the sweetness. I also love to top these cookies with flaky sea salt after they're baked and while the chocolate is still warm.
• All purpose flour - regular unbleached all-purpose flour makes the best chewy chocolate chip cookies. The ratio of flour to butter and egg is lower than most chocolate chip cookie recipes and that is what makes these cookies spread and ripple. Compare it to my Classic Soft & Chewy Chocolate Chip Cookies or my Bakery-Style Chocolate Chip Cookies and you can see the differences.
• Dark chocolate chunks - this is important! I highly recommend chopping chocolate from a bar instead of using chips. Why? That's because chocolate that is made into bars, also known as "tablets", has a higher cocoa butter content so that it can be poured into molds at the factory and it typically melts smoother than chocolate chips to give you puddles of chocolate in the cookies. I love this effect! Chocolate chips will hold their shape and spread less.

STEP BY STEP INSTRUCTIONS: HOW TO MAKE RIPPLE CHOCOLATE CHIP COOKIES

• STEP 1). Cream butter and sugar. In the bowl of a stand mixer fitted with the paddle/flat beater attachment, cream butter on medium speed until creamy. Add both sugars and vanilla and mix for 3 minutes on medium speed until pale and fluffy.
• STEP 2). Mix in egg. Scrape down the sides of the bowl and beat in egg until evenly incorporated. The mixture should look a bit whipped at this point.
• STEP 3). Combine dry ingredients. In a separate bowl, whisk together flour, salt and baking soda to blend evenly. Add this to butter mixture all at once and mix on low until just combined.
• STEP 4). Mix in chocolate. Add the chopped chocolate and mix on low for a just a few seconds to distribute them.
• STEP 5). Chill. Cover the dough in the bowl with plastic wrap and refrigerate for 30 minutes to 1 hour.
• STEP 6). Prepare baking sheets. Lightly grease two large baking trays with soft butter (I like to use a spent foil wrapper from a stick to do this - no waste!).
• STEP 7). Bake. Scoop 1.5 oz portions of dough onto prepared baking trays leaving at least 3 inches of space between them. Do not flatten - they will spread well enough on their own. Bake for about 12 minutes, or until nicely browned around the edges - like the color of a copper penny. The center should be lightly golden and just started to puff up - that's how you know it won't be completely raw in the middle. Remove trays from oven and transfer to wire racks. Let cookies cool 2 minutes on trays before transferring individually to the racks to finish cooling.

PAN BANGING COOKIE SCIENCE

• Butter ratio: What makes this cookie dough spread so quick is the higher ratio of butter. That doesn't mean that this recipe calls for more butter per batch compared to other recipes, it just means that there is more butter in comparison to flour by weight. In other words, the butter:flour ratio in this recipe is higher compared to my Classic Soft & Chewy Chocolate Chip Cookies or my Bakery-Style Chocolate Chip Cookies.
• Sugar ratio: The total amount of sugar is about the same as my go-to Chewy cookie recipe but slightly more than Sarah's pan-banging cookie recipe to produce ultra crisp edges and also keep them so chewy in the middle and keep them from drying out. These cookies are great days after baking and don't need to be eaten all in the same day for best results (although you might want to anyway!). The difference is in the proportions of brown to white. Generally I use more brown sugar, but in this recipe I use equal parts. White sugar will create those crisp edges and caramelization reactions will happen much faster without molasses in the way.
• Bicarbonate: ½ teaspoon of baking soda for just 1 cup of flour is generally a lot in most baking situations, but here it performs two important functions: 1) promotes spread - baking soda spreads while baking powder puffs, and 2) promotes browning by way of accelerated Maillard browning reactions that produce delicious nutty, roasted, caramel, coffee flavors. Maillard browning is a reaction that happens between specific proteins and sucrose (sugar). In our cookie dough protein comes from egg, flour and trace amounts in butter.
• Chill time: Refrigerate the dough for at least 30 minutes or up to an hour to help the flour hydrate and the baking soda to distribute itself. No need to chill this dough for multiple hours or overnight because we actually want to encourage some spread here, and there will be so much caramelization that the flavor benefit of prolonged chilling will be less evident. That means these cookies get from mixing bowl to mouth sooner!

EXPERT BAKING TIPS

• Do not use parchment paper - I rarely bake without parchment paper, but for those crisp edges and for rapid spreading, metal contact is key! Bake the cookie dough directly on a greased, nonstick baking pan. Heat transfers instantly from the metal to the dough so that you get instant spread.
• Bake at a high temperature - we want big flat cookies, but we're not making tuiles. Totally slimmed-out cookies can merge into each other, grease out and result in all sorts of odd shapes. They might taste great but they're not "take them to work" worthy, ya know? Bake the cookies at 375 degrees F (that's in a conventional oven, if you're using fan then try 350 degrees F). This will make sure that your cookies spread initially, but also set quickly around the edges to eventually stop the spread and bake to golden caramelized perfection. Leave plenty of room between dough portions - I do 6 per tray.
• Use any type of chocolate. You can make these delicious thin chocolate chip cookies with milk or dark chocolate. Just avoid using chocolate chips which are designed to be bake-stable and withstand melting. Good quality eating chocolate from a block and then chopped up (I love a Lindt 70% bar!) or flat discs or feves are the best choice. They melt gently into the dough and taste superior! Bonus: some of the chocolate around the edges of the cookies bake right into the caramelized dough and it makes a sort of chocolate toffee! Unreal.

RECIPE FAQ

STORAGE AND FREEZING

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