Loves, I am SO obsessed with these lemon blueberry oatmeal cream pies, and I cannot wait for you to make them! These are the perfect treat for summertime. We are talking a soft, chewy lemon oatmeal cookie, a zesty lemon cream cheese frosting, AND a sweet little blueberry compote tucked right in the center. It is bright, it is fresh, and it is truly fantastic.
If you have been around here for a while, you KNOW I am having the best time making fun variations of oatmeal cream pies that I have never seen anywhere before. This one might be my favorite spin-off yet, and I feel like it is the perfect way to kick off my summer series. Lemon and blueberry is just SUCH a classic summer combo, and turning it into an oatmeal cream pie? Chef’s kiss.
Here is the thing about the lemon in this recipe. I only use zest, no juice, because I want a light, bright lemon flavor without making the cookies wet. And trust me, a little bit of zest goes such a long way. You WILL taste that lemon, I promise. The secret is rubbing the zest into the sugar first, which pulls out all those fragrant oils.
P.S. I have so many more oatmeal cream pie ideas coming this summer, so if there is a flavor you want to see, let me know! I read every single comment and I love hearing what you guys are craving.
Ingredients Needed
- Unsalted Butter: Softened butter is the base of these chewy cookies and the creamy frosting. In the cookie, you cream it with the lemon sugar until light and fluffy, which gives you that perfect soft texture. Make sure it is properly softened to room temperature so it whips up beautifully. It carries all that rich flavor throughout.
- Lemon Zest: This is where all the bright lemon flavor comes from. I use only zest, no juice, so the cookies stay soft and the lemon flavor stays light and fragrant. Rubbing it into the sugar first releases the natural oils for maximum flavor. A little goes a long way, so trust the amount and you will taste that gorgeous lemon.
- Granulated Sugar: Sugar sweetens the cookies and helps create those slightly crisp edges with chewy centers. When you rub it together with the lemon zest, it turns pale yellow and fragrant, infusing the whole batch with citrus. It also helps the cookies spread to the perfect thickness. This is the foundation of flavor and texture.
- Eggs: Two large eggs bind everything together and add structure and richness to the dough. They help the cookies hold their shape while staying soft and chewy. Make sure they are at room temperature so they incorporate smoothly. They are essential for that perfect tender crumb.
- Vanilla Extract: Vanilla rounds out the lemon and adds warmth and depth to the cookies. It balances the brightness of the citrus so the flavor feels cozy and complete. Use a good quality extract for the best taste. It is a small amount but it ties everything together.
- All-Purpose Flour: Flour gives the cookies their structure and that satisfying chew. Combined with the oats, it creates the perfect hearty oatmeal cookie texture. Be careful not to overmix once it goes in so your cookies stay tender. It is the backbone that holds everything together.
- Baking Powder: Baking powder gives the cookies a gentle lift so they are soft and pillowy rather than flat and dense. It helps them rise just enough for that perfect oatmeal cream pie texture. Make sure yours is fresh for the best results. A little leavening makes a big difference here.
- Cornstarch: Cornstarch is my secret for extra soft, tender cookies. It keeps them thick and chewy with the most melt-in-your-mouth texture. Just a tablespoon makes a noticeable difference. It is a small addition that takes these cookies over the top.
- Salt: A little salt balances all the sweetness and makes the lemon and blueberry flavors pop. It keeps the cookies from tasting flat and one-note. Do not skip it, even though it is a small amount. It rounds out every bite.
- Old-Fashioned Oats: Old-fashioned oats are what make these a true oatmeal cookie, adding that signature hearty chew. They give the cookies texture and structure and that classic oatmeal cream pie feel. Be sure to use old-fashioned rolled oats, not instant, for the best bite. They are the heart of the cookie.
- Blueberries: Fresh blueberries get folded right into the cookie dough for little bursts of juicy sweetness in every bite. They pair so perfectly with the lemon for that classic summer combo. Fold them in gently at the very end so they do not break apart and turn the dough purple. They make these cookies feel extra special.
- Honey: Honey sweetens the blueberry compote filling naturally and helps it cook down into a luscious, jammy texture. It adds a subtle floral note that pairs beautifully with the berries. It keeps the filling glossy and spoonable. Just a little brings the whole compote together.
- Cream Cheese: Room-temperature cream cheese is the base of that dreamy lemon frosting. It adds a slight tang that balances the sweetness and complements the lemon perfectly. Make sure it is fully softened so your frosting whips up smooth and lump-free. It makes the filling rich and irresistible.
- Powdered Sugar: Powdered sugar sweetens the frosting and gives it that smooth, pipeable consistency. It dissolves seamlessly into the cream cheese and butter for a silky texture. Add it slowly so it does not poof everywhere. This is what gives the frosting its structure.
- Heavy Cream: Just a splash of heavy cream loosens the frosting to the perfect consistency for piping. It keeps it smooth and light without making it runny. Add it a little at a time until you reach your ideal texture. It is the finishing touch on that luscious frosting.
Substitutions and Modifications
- Use frozen blueberries if fresh are not in season, just do not thaw them before folding into the dough.
- Swap the blueberry compote for raspberry or blackberry for a different berry twist.
- No honey? Use maple syrup or granulated sugar in the compote instead.
- Add a splash of fresh lemon juice to the frosting for an even more pronounced lemon punch.
- Make them smaller for mini cream pies, just reduce the bake time by a few minutes.
Why You’ll Love This Recipe
- It is the ultimate summer flavor combo, bright lemon and sweet blueberry in one chewy, dreamy bite.
- Three layers of flavor come together: a chewy lemon oatmeal cookie, tangy lemon cream cheese frosting, and a juicy blueberry compote.
- It is a fun, unique twist on a nostalgic classic that no one will be able to stop eating.
How to Pick the Best Blueberries
Look for blueberries that are deep blue with a silvery frosty coating, which is called the bloom and is a sign of freshness. They should be firm, plump, and dry, never mushy or leaking juice. Give the container a little shake, and if the berries roll freely, they are in good shape. Summer is peak blueberry season, so this is the perfect time to grab them at their sweetest.
Equipment Needed
- Stand mixer or hand mixer (with whisk and paddle attachments)
- Mixing bowls
- Microplane or zester
- Baking sheets
- Parchment paper
- Cookie scoop (about 3 tablespoons)
- Biscuit cutter
- Small saucepan or microwave-safe bowl
- Piping bag
Lemon Blueberry Oatmeal Cream Pies (Easy Summer Recipe)
Ingredients
For the lemon oatmeal cookies:
- 1 cup unsalted butter softened
- 1 tablespoon lemon zest
- 1 ¼ cups granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 ½ cups all-purpose flour
- 1 teaspoon baking powder
- 1 tablespoon cornstarch
- ½ teaspoon salt
- 3 cups old-fashioned oats
- 1 cup blueberries
For the blueberry compote filling:
- ½ cup blueberries
- â…› cup honey
- 1 teaspoon cornstarch
For the lemon cream cheese frosting:
- 6 ounces cream cheese room temperature
- 6 tablespoons unsalted butter softened
- 2 cups powdered sugar
- 1 tablespoon heavy cream
- 1 tablespoon lemon zest
Instructions
- Make the blueberry compote first so it has time to cool. In a small saucepan or microwave-safe bowl, combine the blueberries, honey, and cornstarch. Heat on the stove or in the microwave, mashing the blueberries ever so slightly, until thickened. I like to leave big chunks of blueberry in there for the best texture. Set aside to cool.
- Preheat your oven to 350 degrees Fahrenheit and line your baking sheets with parchment paper.
- With your hands or a stand mixer fitted with the whisk attachment, combine the lemon zest and granulated sugar for about 2 minutes, until the sugar turns pale yellow. This rubs all that fragrant oil out of the zest and gives you the most lemon flavor. A little zest goes a long way, trust me, you WILL taste the lemon!
- Switch to the paddle attachment and add the softened butter. Beat the butter and lemon sugar together for 2 to 3 minutes, until fully combined, light, and fluffy.
- Add the eggs and vanilla extract and mix again until smooth.
- In a separate bowl, whisk together the flour, baking powder, cornstarch, salt, and old-fashioned oats. Fold the dry ingredients into the wet until just combined.
- Gently fold in the 1 cup of blueberries. Do not overmix or you will smash the blueberries and turn the dough purple.
- Scoop into 24 equal balls, about 3 tablespoons each. I like to use a biscuit cutter to gently shape each one so every cookie is the exact same size for nice uniform cream pies.
- Bake at 350 degrees Fahrenheit for 11 to 13 minutes. Let the cookies cool completely, about 30 minutes.
- Make the frosting. Beat together the cream cheese, butter, and lemon zest until smooth and creamy. Slowly add the powdered sugar, then the heavy cream, beating until you reach your desired piping consistency.
- Assemble the cream pies. Flip over half of your cooled cookies. Pipe a ring of frosting onto each, add about a teaspoon of the blueberry compote in the center, then sandwich with another cookie. And that is it!
Nutrition (per cream pie, estimated): Calories 340, Fat 17g, Carbs 44g, Protein 4g, Sugar 28g
SEO Description: Soft chewy lemon blueberry oatmeal cream pies with zesty lemon cream cheese frosting and a homemade blueberry compote filling. The perfect summer treat.
Instructions
- Make the blueberry compote first so it has time to cool. In a small saucepan or microwave-safe bowl, combine the blueberries, honey, and cornstarch. Heat on the stove or in the microwave, mashing the blueberries ever so slightly, until thickened. I like to leave big chunks of blueberry in there for the best texture. Set aside to cool.
- Preheat your oven to 350 degrees Fahrenheit and line your baking sheets with parchment paper.
- With your hands or a stand mixer fitted with the whisk attachment, combine the lemon zest and granulated sugar for about 2 minutes, until the sugar turns pale yellow. This rubs all that fragrant oil out of the zest and gives you the most lemon flavor. A little zest goes a long way, trust me, you WILL taste the lemon!
- Switch to the paddle attachment and add the softened butter. Beat the butter and lemon sugar together for 2 to 3 minutes, until fully combined, light, and fluffy.
- Add the eggs and vanilla extract and mix again until smooth.
- In a separate bowl, whisk together the flour, baking powder, cornstarch, salt, and old-fashioned oats. Fold the dry ingredients into the wet until just combined.
- Gently fold in the 1 cup of blueberries. Do not overmix or you will smash the blueberries and turn the dough purple.
- Scoop into 24 equal balls, about 3 tablespoons each. I like to use a biscuit cutter to gently shape each one so every cookie is the exact same size for nice uniform cream pies.
- Bake at 350 degrees Fahrenheit for 11 to 13 minutes. Let the cookies cool completely, about 30 minutes.
- Make the frosting. Beat together the cream cheese, butter, and lemon zest until smooth and creamy. Slowly add the powdered sugar, then the heavy cream, beating until you reach your desired piping consistency.
- Assemble the cream pies. Flip over half of your cooled cookies. Pipe a ring of frosting onto each, add about a teaspoon of the blueberry compote in the center, then sandwich with another cookie. And that is it!
Storage Instructions
- Counter: Store in an airtight container at room temperature for up to 1 day. Because of the cream cheese frosting, they are best kept cool.
- Fridge: Store in an airtight container in the refrigerator for up to 5 days. Let them sit at room temperature for a few minutes before enjoying for the softest texture.
- Freezer: Freeze assembled cream pies or just the cookies in an airtight container for up to 2 months. Thaw in the fridge or at room temperature before serving.
Tips and Tricks
- Rub the lemon zest into the sugar until it turns pale yellow and fragrant. This is the secret to the most lemon flavor.
- Fold in the blueberries gently and at the very end so they do not break and turn your dough purple.
- Use a biscuit cutter to shape the warm cookies right out of the oven for perfectly uniform, round cream pies.
- Let the cookies cool completely before frosting, or the frosting will melt and slide right off.
Frequently Asked Questions:
Can I use frozen blueberries instead of fresh?
Yes! Use frozen blueberries straight from the freezer without thawing, both in the cookie dough and the compote. Thawed berries release too much liquid and can make the dough wet.
Why do you only use lemon zest and no juice?
The zest holds all the fragrant lemon oils and gives you bright flavor without adding extra liquid. Lemon juice would make the dough too wet and could affect the texture of the cookies.
How do I get perfectly round cream pies?
The trick is using a biscuit cutter to gently shape the cookies as soon as they come out of the oven while they are still warm. Swirl it around each cookie to nudge it into a perfect circle.
Can I make these ahead of time?
Absolutely. You can bake the cookies and make the compote and frosting up to a day ahead, then assemble when ready. Assembled cream pies also keep beautifully in the fridge for up to 5 days.
My frosting is too runny, how do I fix it?
Add more powdered sugar a little at a time until it thickens to a pipeable consistency. Make sure your cream cheese and butter were softened but not warm, as too-warm ingredients can make frosting loose.
Can I turn this into a different berry flavor?
Definitely! Swap the blueberries for raspberries or blackberries in both the dough and the compote for a fun variation. The lemon pairs beautifully with any summer berry.
More Recipes
Loving this summery twist? These lemon blueberry oatmeal cream pies are part of my ongoing oatmeal cream pie variations series, where I am dreaming up flavors you have never seen before! Be sure to check out my other oatmeal cream pie recipes on the blog:
Biscoff Oatmeal Cream Pies
Blueberry Cheesecake Oatmeal Cream Pies
Salted Caramel Espresso Oatmeal Cream Pies
Let’s Make It Together
If you make these lemon blueberry oatmeal cream pies, I would absolutely LOVE to see them! Tag me @munchiesbymallory on Instagram and TikTok so I can see your gorgeous summer creations. This one is so special to me as the kickoff to my summer series, and I cannot wait for you to fall in love with it too. Happy baking, loves!
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