Lucky Charm Cookies are the ultimate nostalgic treat. By blending the classic crunch of cereal with a soft and chewy sugar cookie base, you get a dessert that makes you feel like a kid again in every bite. They are the ultimate festive St. Patrick’s Day treat.
Why You’ll Love These Cookies
Whether you are searching for the perfect St. Patrick’s Day dessert or just a nostalgic snack to brighten your morning, these cereal-infused treats are a guaranteed hit. Here are just a few reasons why this recipe will become your new favorite cookie:
- Perfect for St. Patrick’s Day. These cookies are festive and fun, making it the perfect holiday treat.
- For that nostalgic flavor. Blending the classic crunch of cereal with a soft sugar cookie base creates a cookie that feels like childhood.
- Cereal in every bite. By using crushed cereal in the dough, you’ll get that iconic cereal taste in every bite.
- Balanced sweetness. White chocolate chips add a creamy sweetness that perfectly balances the toasted oat flavor of the cereal.
Ingredients You’ll Need (and Why)
All-Purpose Flour: flour provides the structure needed for the cookie.
Crushed Lucky Charms Cereal: adding crushed cereal ensures the cereal flavor is baked right into each bite. A similar generic cereal, like Marshmallow and Stars from Aldi, can be used.
Baking Powder: acts as the leavening agent to help the cookies rise and stay light.
Cornstarch: the secret ingredient that makes for a soft and tender cookie texture.
Salt: salt enhances the sweetness and balances the flavors of the cookie.
Butter: room temperature butter creates a creamy base.
Sugars: granulated sugar helps the edges get crisp and provides sweetness while brown sugar adds moisture and a hint of molasses for a chewy center.
Vanilla Extract: vanilla adds depth and warmth to the dough.
Eggs: large eggs bind the ingredients together and provide moisture.
White Chocolate Chips: white chocolate chips add a creamy sweetness to each bite.
Lucky Charms Cereal and Marshmallows: Reserve whole cereal for mixing in and extra marshmallows to add to the top of each baked cookie.
Helpful Baking Tools
Cookie Sheet: you’ll use two cookie sheets lined with parchment paper or a silicone baking mat to bake cookies.
Rolling Pin: place into a zip-top bag and crush with a rolling pin. Or, use a food processor to crush the cereal.
Hand or Stand Mixer: use either a hand mixer or stand mixer fitted with a paddle attachment for mixing the cookie dough.
Measuring Cups & Spoons: use measuring cups and measuring spoons to measure ingredients. Or, weigh ingredients with a kitchen scale.
Mixing Bowls: use mixing bowls to hold prepped ingredients.
Sifter and Whisk: using a sifter and a small whisk for dry ingredients removes any lumps and aerates the cookie for a lighter texture. If using a sifter, use before adding in the crushed cereal and then whisk.
Spatulas: a sturdy silicone spatula is ideal for scraping down the sides of the bowl. Use a cookie spatula to remove cookies from the cookie sheet.
Cookie Scoop: using a cookie scoop ensures every cookie is the same size for even baking.
Wire Cooling Rack: a wire cooling rack allows air to circulate around the cookies.
Storage Containers: an airtight storage container for storing cookies after they have cooled to room temperature helps keep them fresh.
Helpful Cookie Tips
To ensure your cookie baking session is as lucky as a pot of gold, keep these strategies in mind. These small adjustments make the difference between a good cookie and a bakery-quality treat.
- Measure your flour properly. To measure flour accurately, spoon flour into your measuring cup and level it off with a knife. Packing the flour down can result in a dry and crumbly cookie. Or, weigh flour on a kitchen scale.
- Use room temperature eggs. Cold eggs can cause the creamed butter to seize and clump. Let eggs come to room temperature for about an hour before baking. Or, place eggs in a bowl of warm water for five minutes before cracking them.
- Scoop dough before chilling. Once the dough is mixed, it is much easier to portion while the butter is soft. Scoop the dough onto a tray first then put the tray in the fridge.
- Add marshmallows after baking. Marshmallows tend to melt or become rock hard in the high heat of the oven. Always press them onto the tops of cookies as soon as they come out of the oven.
- Reshape cookies while hot. For perfectly round cookies, place a large glass or cookie cutter over the hot cookies immediately after they come out of the oven. Gently swirl the glass or cutter in a circular motion to reshape uneven edges while the cookie is still soft and warm.
How to Make Lucky Charm Cookies
Follow this step-by-step process to create a batch of perfectly Lucky Charm cookies. These instructions ensure your cookies have the ideal balance of crunch and sweetness every single time.
1. Crush dry cereal.
2. Mix cereal into the flour, baking powder, cornstarch and salt.
3. Cream butter and both sugars with vanilla; mix on medium speed.
4. Add eggs; scrape bowl as needed.
5. Add dry ingredients. Stir in white chocolate chips and whole cereal.
6. Scoop dough into balls and chill.
7. Place cookie balls 2” apart on the cookie sheet. Bake until golden.
8. Press marshmallows into hot cookies.
Variations and Substitutions
Whether you have specific dietary needs or simply want to experiment with different flavors, these easy adjustments will help you customize your cookies to fit any lifestyle. Use these simple swaps to ensure everyone can enjoy a taste of the rainbow without any worry. Be sure to always read labels carefully.
- Cereal Swap: try other toasted oat cereals or cocoa-based cereals for a chocolate cookie version.
- Gluten-Free: replace all-purpose flour with a 1:1 gluten free flour blend; and make sure your cereal brand is certified gluten-free.
- Dairy-Free: substitute the butter with a vegan butter stick and use dairy-free white chocolate chips.
How to Store Lucky Charm Cookies
To keep your Lucky Charms cookies as fresh as the day you baked them, follow these simple storage guidelines. Choosing the right method will help preserve that soft sugar cookie texture and prevent the cereal marshmallows from getting soft.
- At room temperature. This is the recommended method for the best texture. Store your cookies in an airtight container for up to five days to keep them soft and chewy.
- In the fridge: While you can store cookies in the refrigerator for up to one week, it is not generally recommended as the cold air can cause them to dry out faster. If you do choose this method, ensure the container is sealed tightly.
- In the freezer. For long-term storage, you can freeze baked cookies for up to three months. Place them in a freezer-safe bag with layers of parchment paper between them to prevent sticking. Thaw them at room temperature for about an hour before serving to restore their flavor.
Frequently Asked Questions About Lucky Charm Cookies
Absolutely. While the name brand is classic, a generic toasted oat cereal with dehydrated marshmallows will work.
It is best to keep most marshmallows for the top. If they are inside the dough they can melt and create sticky holes in your cookies. Instead, press a few marshmallows into the tops of cookies as soon as they come out of the oven.
Chilling prevents the cookies from spreading too thin in the oven. It also allows the cereal flavor to hydrate and intensify the flavor within the cookie.
Yes. You can keep the scooped dough in the refrigerator for up to 48 hours before baking. Or, you can freeze scooped dough and bake cookies whenever the mood strikes.
This can happen if the butter was too soft before mixing or if the baking powder is expired. Make sure your butter is at room temperature. It should be soft to the touch but not oily; and always check the freshness of your leavening agents for the best rise.
Keep the Celebration Going
Do these Lucky Charms cookies have you in the mood for more seasonal inspiration? For more cereal based treats, give these no-bake Quick & Easy Lucky Charms Marshmallow Bars a try. You can also learn how to bake up a batch of Delicious Irish Soda Bread Muffins for a more traditional touch.
Lucky Charm Cookies
Ingredients
- 2-1/2 cups (300g) all-purpose flour
- 1 cup (40g) crushed lucky charms cereal (measure the cereal before crushing)
- 3 tsp (15g) baking powder
- 2 tsp (68g) cornstarch
- 1/4 tsp salt (if using unsalted butter, increase salt to ½ tsp)
- 1 cup (226g) butter, room temperature (2 sticks)
- 3/4 cup (158g) granulated sugar
- 3/4 cup (170g) brown sugar
- 2 tsp (10g) vanilla extract
- 2 eggs (100g) large eggs, room temperature
- 1 cup (180g) white chocolate chips (reserve a few for later)
- 1 cup (40g) lucky charms cereal (reserve a few marshmallows for after baking)
Instructions
- Place 1 cup of cereal into a plastic bag and crush with a rolling pin.
- In a small bowl, whisk the flour, crushed cereal, baking powder, cornstarch and salt together. Set aside.
- Using a mixer fitted with a paddle attachment, cream the butter for about a minute. Add in the sugars and vanilla; mix on medium speed for 1-2 minutes. Scrape down the sides of the bowl.
- Add in your eggs, one at a time. Mix until each egg is incorporated; scrape down the bowl as needed.
- Once the eggs are combined, add in the flour/cereal mixture. Mix on low speed until combined. Stir the white chocolate chips and additional cereal.
- Before chilling, portion the dough with a medium scoop, about 27-29 grams of dough. Place dough on a cookie sheet lined with parchment or use a silicone baking mat. Once all the dough is scooped, cover and refrigerate for 1-2 hours.
- When ready to bake, preheat the oven to 350℉. Line your cookie sheet with parchment paper or a silicone baking mat. Place your chilled cookie onto the cookie sheet, spacing them at least 2” apart. Place a few extra white chocolate chips on top of the unbaked dough.
- Bake at 350℉ for about 10-12 minutes. Cookies are done when the edges of the cookies look slightly browned.
- When the cookies are done baking and are still hot, press in a few marshmallows into the tops of each cookie. Allow the cookies to cool on the baking sheet for about 5 minutes before transferring to a wire rack to cool completely.
- Store in an airtight container on the counter for up to five days. Freeze for longer storage.
Notes
- Scoop the cookie dough before chilling.
- This dough will need to chill in the refrigerator for at least 1 hour (2 max).
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