If you’re craving a treat that delivers both cozy comfort and irresistible crunch, Oatmeal Crunchies are the answer you’ve been waiting for. These golden cookies pack in chewy oats, sweet coconut, and a cascade of nuts and cornflakes to create a textured delight that’s anything but ordinary. With an old-fashioned charm and playful crispness that keep you reaching for “just one more,” these cookies are beloved by families and perfect for sharing, gifting, or sneaking as a secret snack. Whether you’re new to baking or a longtime cookie enthusiast, Oatmeal Crunchies promise to put a smile on your face with every bite.

Ingredients You’ll Need
You don’t need anything fancy to whip up a batch of Oatmeal Crunchies, but each ingredient plays a starring role. From the buttery base to the satisfying crunch of nuts and cornflakes, everything blends together for a perfectly balanced treat that celebrates texture and flavor.
- Butter: Use unsalted and softened; this creates that classic, rich cookie foundation.
- Granulated Sugar: Brightens and sweetens, helping the cookies get those inviting, crisp edges.
- Brown Sugar: Adds deep, caramel-like notes and helps keep the cookies chewy in the center.
- Eggs: Bind everything together and give structure to the cookies.
- Vanilla Extract: Just a splash goes a long way in deepening the cookie’s flavor.
- All-Purpose Flour: Gives the dough body and helps set the perfect cookie texture.
- Baking Soda: Works its magic to lift the cookies and give a gentle rise.
- Baking Powder: Ensures that light, airy bite we all love.
- Salt: Balances out the sweetness and enhances every other flavor.
- Rolled Oats: The heart of Oatmeal Crunchies, giving chewy heft and hearty taste.
- Shredded Coconut: Brings in a subtle tropical sweetness and extra texture.
- Chopped Nuts (Pecans or Walnuts): Amp up the crunch factor and provide a savory depth (try toasting for extra flavor!).
- Cornflakes: The real crunch hero, lightly crushed for golden crisp pockets throughout the cookie.
How to Make Oatmeal Crunchies
Step 1: Prep Your Ingredients and Baking Sheets
Before you start, preheat your oven to 350°F (175°C). Line two sturdy baking sheets with parchment paper so that nothing sticks and cleanup is a breeze. Gather and measure out all your ingredients—having everything ready makes the process smooth and stress-free, especially when making a cookie as loaded as Oatmeal Crunchies.
Step 2: Cream Butter and Sugars
In a large mixing bowl, use a hand mixer or stand mixer to cream together the softened unsalted butter, granulated sugar, and brown sugar. Beat the mixture until it’s pale, fluffy, and totally irresistible, about 2–3 minutes. This step sets the tone for a light, tender cookie.
Step 3: Add Eggs and Vanilla
Crack in your eggs one at a time, mixing well after each addition to fully incorporate. Pour in the vanilla extract and beat again. This step helps build up the structure and lock in all those delicate, warm flavors.
Step 4: Combine Dry Ingredients
In a separate medium bowl, whisk together the all-purpose flour, baking soda, baking powder, and salt. Gradually add this dry mix to your wet mixture, stirring gently until everything is just combined—don’t overmix, or your cookies might lose their magic texture.
Step 5: Fold in Oats, Coconut, Nuts, and Cornflakes
Now for the fun part: tip in the rolled oats, shredded coconut, chopped nuts, and the lightly crushed cornflakes. Use a spatula to fold them in, making sure everything is evenly distributed. This is where Oatmeal Crunchies get their signature bite and flavor medley.
Step 6: Scoop and Bake
Drop generous tablespoon-sized portions of dough onto your prepared baking sheets, spacing them a couple of inches apart. (A cookie scoop makes this job tidy and fast!) Slide the trays into the oven and bake for 10 to 12 minutes, or until the cookies are golden brown around the edges and just set in the center.
Step 7: Cool and Enjoy
Let the cookies rest on the baking sheet for about 5 minutes—this lets them firm up so they won’t break apart. Then, move them to a wire rack to finish cooling completely. The smell at this stage is pure cookie heaven!
How to Serve Oatmeal Crunchies

Garnishes
For an extra flourish, dust your Oatmeal Crunchies with a pinch of powdered sugar, or drizzle with a little melted chocolate for those who crave a hint of decadence. A sprinkle of flaky sea salt right as they finish cooling can also add a wonderful gourmet touch.
Side Dishes
Serve these cookies simply with a cold glass of milk, a steamy mug of coffee, or even alongside a scoop of vanilla ice cream. They’re delicious on a dessert platter with fresh berries or mixed into a casual cookie tray with other favorites.
Creative Ways to Present
Arrange your Oatmeal Crunchies in mason jars for whimsical gifting, stack and tie with bakers’ twine for a homemade touch, or assemble a cookie board with fruits, chocolates, and nuts for a unique party centerpiece. Children (and adults!) love fishing one from a cookie jar as an anytime treat.
Make Ahead and Storage
Storing Leftovers
Keep your leftover cookies in an airtight container at room temperature and they’ll stay fresh and tender for up to a week. Slip a slice of bread into the container if you’re in a humid climate—the bread helps prevent the crunchies from getting too soft.
Freezing
Oatmeal Crunchies also freeze beautifully! Let them cool completely, then pop them into a freezer-safe bag or container, with a bit of wax paper between layers to prevent sticking. They’ll keep their wonderful texture and flavor for up to three months.
Reheating
If you crave a warm, oven-fresh experience, just pop a cookie or two in a preheated 300°F oven for about 5 minutes or give them a quick 10-15 second zap in the microwave. The result: renewed aroma and that just-baked feel (perfect with coffee or milk!).
FAQs
Can I substitute quick oats for rolled oats?
Technically you can, but quick oats break down more, resulting in a softer cookie with less texture. For true Oatmeal Crunchies character, stick to old-fashioned rolled oats to get that signature chew and heartiness.
What nuts work best in Oatmeal Crunchies?
Pecans and walnuts are both classic choices and bring a lovely, earthy crunch. If you have a favorite or what you have on hand, feel free to experiment—just make sure they’re chopped and, for extra flavor, toasted lightly before adding.
Can I make these dairy-free?
Absolutely! Substitute your favorite plant-based butter for the dairy butter, and make sure your cornflakes are also dairy-free. The cookies will still turn out fabulous, with that craveable Oatmeal Crunchies bite.
How do I prevent the cookies from spreading too much?
Be sure your butter isn’t too warm (just softened, not melted), and avoid overmixing the dough. Chilling the dough for about 30 minutes before baking can also help the cookies hold their shape and keep those lovely puffy centers and crispy edges.
Can I add chocolate chips or dried fruit?
Definitely! Stir in up to 1 cup of chocolate chips, raisins, dried cranberries, or even chopped dried apricots for a delicious twist. Oatmeal Crunchies are endlessly customizable, so don’t be afraid to make them your own.
Final Thoughts
With their unforgettable texture and big, cozy flavors, Oatmeal Crunchies have a way of brightening up any gathering or afternoon coffee break. Whether you’re baking for friends, sharing with neighbors, or just treating yourself, I hope these cookies bring you as much joy as they bring to my kitchen. Give them a try—you might just find your new favorite!
Print
Oatmeal Crunchies Recipe
- Total Time: 27 minutes
- Yield: 36 cookies 1x
- Diet: Vegetarian
Description
These Oatmeal Crunchies are a delightful twist on classic oatmeal cookies, offering a satisfying crunch with every bite. Packed with oats, coconut, nuts, and a hint of cornflakes, these cookies are perfect for a sweet treat anytime.
Ingredients
Wet Ingredients:
- 1 cup unsalted butter (softened)
- 1 cup granulated sugar
- 1 cup brown sugar (packed)
- 2 large eggs
- 1 teaspoon vanilla extract
Dry Ingredients:
- 1 1/2 cups all-purpose flour
- 1 teaspoon baking soda
- 1 teaspoon baking powder
- 1/2 teaspoon salt
Add-Ins:
- 3 cups old-fashioned rolled oats
- 1 cup shredded coconut
- 1 cup chopped nuts (pecans or walnuts)
- 1 cup cornflakes (lightly crushed)
Instructions
- Preheat the oven: Preheat the oven to 350°F (175°C) and line two baking sheets with parchment paper.
- Cream butter and sugars: In a large bowl, cream together butter, granulated sugar, and brown sugar until light and fluffy.
- Add eggs and vanilla: Beat in the eggs one at a time, then mix in the vanilla extract.
- Combine dry ingredients: In a separate bowl, whisk together flour, baking soda, baking powder, and salt. Gradually add the dry ingredients to the wet mixture, mixing just until combined.
- Stir in add-ins: Stir in the oats, coconut, nuts, and cornflakes.
- Bake: Drop tablespoon-sized portions of dough onto the prepared baking sheets. Bake for 10 to 12 minutes, or until the edges are golden brown.
- Cool and enjoy: Allow cookies to cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.
Notes
- For extra crunch, toast the nuts before adding them to the dough.
- These cookies store well in an airtight container for up to a week and also freeze nicely.
- You can add chocolate chips or dried fruit for variety.
- Prep Time: 15 minutes
- Cook Time: 12 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cookie
- Calories: 150
- Sugar: 11 g
- Sodium: 85 mg
- Fat: 8 g
- Saturated Fat: 4 g
- Unsaturated Fat: 3 g
- Trans Fat: 0 g
- Carbohydrates: 18 g
- Fiber: 1 g
- Protein: 2 g
- Cholesterol: 20 mg