A Little Debbie-style oatmeal cream pie has a very particular texture. The cookie bends around the creme. The oats almost disappear into the crumb, while brown sugar and molasses come through before cinnamon. There is hardly any resistance when you bite through it. The cookie and filling give together.
Plenty of homemade oatmeal sandwich cookies are thicker, oatier and piled much higher with frosting. They can be wonderful. They just eat differently.
Here, the oats are finer, raisin paste disappears into the dough, the spice stays quiet, and the creme is light enough to belong between two cookies. Before the whole batch goes into the oven, bake one cookie and see what it does. That one cookie can save the rest.
In This Guide
- Oatmeal Cream Pies Recipe
- Where That Familiar Flavor Comes From
- Getting the Cookie Spread Right
- Getting the Creme Filling Right
- When Something Goes Wrong
- Storage and Make-Ahead
Oatmeal Cream Pies Recipe
Yield: About 15–16 oatmeal cream pies
Prep time: About 30 minutes
Bake time: About 9–11 minutes per batch
Total time: About 1 hour 20 minutes, depending on whether you bake one or two sheets at a time
Oven: 350°F / 175°C
Dough: 30 g per cookie
Target size: About 3 inches / 7.5 cm across after cooling
Creme: About 17–18 g per sandwich
A digital scale is strongly recommended here. Small changes in flour, oats and portion size can noticeably change how the cookies spread, and sticky ingredients such as shortening and Marshmallow Fluff are easier to measure by weight.
What You’re Aiming For
For the Oatmeal Cookies
- 60 g raisins
- 30 ml (2 tablespoons) hot water, for soaking
- 140 g (about 1¾ cups) quick oats, measured before processing
- 210 g (1¾ cups) all-purpose flour
- 1½ tablespoons cornstarch (12 g)
- ¾ teaspoon baking soda (about 3 g)
- ¾ teaspoon fine salt (about 4 g)
- ¼ teaspoon ground cinnamon
- 180 g unsalted butter, cool room temperature
- 160 g (¾ cup packed) dark brown sugar
- 50 g (¼ cup) granulated sugar
- 20 g (1 tablespoon) regular unsulphured molasses
- 1 large egg
- 1 large egg yolk
- 2 teaspoons vanilla extract
For the Creme Filling
- 70 g vegetable shortening
- 35 g unsalted butter, cool room temperature
- 110 g Marshmallow Fluff or another thick marshmallow creme
- 80 g confectioners’ sugar, sifted
- 1 teaspoon vanilla extract
- ⅛ teaspoon fine salt (about 1 g)
Useful equipment: a digital kitchen scale, food processor or small chopper, electric mixer, parchment-lined baking sheets, cooling rack, and piping bag or small offset spatula.
No food processor? Finely mince the softened raisins and use the quick oats as they are. The cookies will have a more obvious oat texture and look a little less like the packaged version, but it is a perfectly workable shortcut.
Method
1. Heat the Oven and Soak the Raisins
Heat the oven to 350°F / 175°C. If baking one sheet at a time, place a rack in the center. With two sheets, position racks in the upper and lower thirds. Line the baking sheets with parchment.
Pour the hot water over the raisins, stir so they are evenly moistened, and leave them for about 10 minutes. While they soften and the oven heats, prepare the oats.
2. Process the Oats
Add the quick oats to the food processor and pulse until they resemble coarse meal. Rub a pinch between your fingers: you want tiny pieces with very few intact flakes. Stop before the oats become powdery, then transfer them to a bowl.
3. Make the Raisin Paste
Drain the softened raisins, keeping the soaking water nearby. Put the raisins into the same processor and puree until thick and mostly smooth.
If the blades need help, add some of the reserved water 1 teaspoon at a time, using only enough to keep things moving. Tiny flecks are fine; obvious pieces of raisin need another spin.
4. Mix the Dough
Whisk the processed oats, flour, cornstarch, baking soda, salt and cinnamon together.
In another bowl, beat the butter with both sugars at medium speed for about 2 minutes, until creamy and slightly lighter. Soft butter is fine; shiny or greasy butter is getting too warm.
Beat in the molasses and raisin paste. Add the egg, yolk and vanilla and mix until smooth. Add the dry ingredients and mix on low just until the last flour streaks disappear. Scrape across the bottom of the bowl once before you stop.
The dough should be soft and easy to scoop. Leave it unchilled for the first cookie.
5. Bake One Cookie First
Weigh one 30 g piece of dough. Roll it gently, then flatten it to roughly 1¾ inches / 4.5 cm across and about ½ inch / 1.25 cm thick.
Bake for about 9–11 minutes. Pull the cookie when the edges are set but the center still looks slightly underdone. Leave it on the hot sheet for 4–5 minutes, then move it to a rack and let it finish cooling.
Once cooled, you’re aiming for roughly 3 inches / 7.5 cm across. Use that first cookie as your reference before committing the rest of the dough.
Too thick? Let firm dough warm briefly or flatten the next piece slightly more.
Too wide? Chill the dough for 10–15 minutes and try again.
Close to the target? Portion the rest while the dough is still in roughly the same state.
6. Bake the Remaining Cookies
Divide the dough into 30 g portions, flatten them as you did the test cookie, and leave at least 2½ inches / 6 cm between them on parchment-lined sheets.
Bake one sheet at a time on the center rack for the most even results, or bake two sheets together on racks positioned in the upper and lower thirds, swapping their positions halfway through. Either way, judge doneness by the cookies rather than the clock.
Pull them while the centers still look soft. They continue setting during the 4–5 minutes they spend on the hot pan.
Later batches may spread a little less as the oats continue absorbing moisture and the butter cools. If that happens, flatten the next portions slightly more rather than simply baking them longer.
7. Make the Creme
Beat the shortening and butter for about 2 minutes, until smooth and lightly aerated. Add the Marshmallow Fluff, vanilla and salt, beat until combined, then gradually add the confectioners’ sugar and continue for another 1–2 minutes.
Lift the beater. The creme should hold a soft peak. Press a dab between two fingers: it should feel smooth and soft enough to give easily, but not so loose that it stretches away in long sticky strings.
Creme not matching the soft-peak texture? See the filling fixes →
8. Fill the Pies
Pair the completely cooled cookies by size and turn half of them flat-side up. Pipe or spread about 17–18 g of creme onto each bottom cookie, leaving a narrow border around the edge. Add the matching top and press gently until the filling moves close to the perimeter.
This is the one to taste before you start cleaning up. The pies are good straight away, but if you’re chasing the softer packaged-style texture, keep the rest tightly covered for about 2–4 hours before eating another. The creme gradually softens the inside of the cookies as they sit.
Making them ahead? See how storage changes the texture →
Where That Familiar Flavor Comes From
The surprise is the raisin paste.
A McKee Foods product sheet for Oatmeal Creme Pies lists rolled oats, molasses and raisin paste among the ingredients. Pureeing the raisins lets the fruit itself disappear into the dough while leaving a faint dark-fruit note behind the molasses. You should never bite into one and think “raisin cookie.”
Why the Oats Are So Fine
Quick oats give a finer cookie. Whole rolled oats still work, but their flakes remain much more obvious. Processing the quick oats into smaller pieces keeps the oat flavor while smoothing out the chew.
The differences between quick, rolled, instant and steel-cut oats matter more in cookies like these than their similar names suggest.
Molasses Matters More Than Cinnamon
Use ordinary unsulphured molasses. Blackstrap is much more bitter and can overpower a small cookie quickly. The ¼ teaspoon of cinnamon adds warmth in the background without turning this into a spice-forward oatmeal cookie.
If you want molasses and spice to take over, our soft gingerbread cookies head deliberately in that direction.
The Cookie Should Spread—Just Not Too Far
Some spread is what keeps these cookies relatively thin instead of turning them into thick oatmeal rounds. If the test cookie barely moves, start with dough temperature: cool, firm dough spreads less. If it races across the parchment, a short chill is usually more useful than adding extra flour.
Flour measurement matters too. A heavily packed cup can stiffen the dough surprisingly quickly. That’s another reason the scale earns its place here.
Ready to try another? Back to the test cookie →
Getting the Creme Filling Right
The filling changes the whole character of the pie. Butter brings flavor, shortening keeps the creme paler and steadier in a warm room, and Marshmallow Fluff gives it a lighter texture with some spring.
The finished creme should stay between the cookies without eating like dense cake frosting.
How Much Filling Is Enough?
About 17–18 g per sandwich gives you creme in every bite without losing the oatmeal cookie underneath it. Keep the filling just short of the perimeter so it has somewhere to move when the top goes on.
A towering layer looks great in a cut-open cookie. Try to eat it and the glamour disappears pretty quickly.
Prefer an All-Butter Filling?
You can replace the shortening with butter. Expect more butter flavor, a more ivory-colored filling and less firmness in a warm room.
An open jar of Marshmallow Fluff also works well in fudge if you want to use up the rest.
Need the mixing-stage reference? Back to making the creme →
When the Cookies or Creme Misbehave
If It’s the Cookies
They barely spread. If warming and slightly flattening the test piece did not solve it, recheck the flour amount, how finely you processed the oats, and how long the dough has been sitting.
They spread into puddles. Give the dough 10–15 minutes in the refrigerator and bake another single cookie. Resist fixing the problem with handfuls of flour; that can trade an over-spreading cookie for a cakey one.
They turned crisp after cooling. Pull the next batch sooner. Once the centers look completely dry in the oven, the soft-cookie window is probably behind you.
If It’s the Creme
It slumps. Give it a few cool minutes before adding more sugar. Warm butter can make a workable filling look much looser than it really is. If it still will not hold a soft peak, add confectioners’ sugar one tablespoon at a time.
It feels stiff and sugary. Beat it another 30 seconds. If it still feels dense, work in a small spoonful of Marshmallow Fluff. Liquid can take a sandwich filling from stiff to slippery very quickly.
It squeezes out when you eat the pie. The creme may be warm, there may be too much of it, or the cookies may have baked too firm. Start with less filling before changing anything else.
The whole pie tastes too sweet. Check the amount of filling first. An overloaded sandwich can taste cloying even when the creme itself is well balanced.
Storage, Make-Ahead and How the Texture Changes
Freshly assembled pies have more contrast between cookie and filling. Leave them covered for a few hours and the creme gradually softens the inside of the cookies, giving the sandwich a more unified, packaged-style texture.
How to Store Oatmeal Cream Pies
At room temperature: Keep the pies tightly covered in a cool room for up to 2 days. Refrigerate them if keeping them longer. Leaving them exposed will dry the cookies much faster.
In the refrigerator: Store them airtight for up to 5 days. Let a cold pie sit at room temperature for 20–30 minutes before eating if you want it softer again.
For freezing: Unfilled cookies or assembled pies can be frozen for up to 2 months. Freeze assembled pies in a single layer until firm, then wrap individually or transfer them to an airtight container. Thaw in the refrigerator, then let them come closer to room temperature before eating.
Make Them Ahead Without Losing the Texture
The assembled pies are well suited to making earlier in the day because a few covered hours soften the cookie around the creme. The dough can also be refrigerated, but a long rest gives the oats more time to absorb moisture, so chilled dough may spread less. Let it lose some of its chill and use the test cookie to recalibrate before baking.
Take a normal bite.
The cookie bends, the creme stays with it, and oats and molasses are still there after the sweetness arrives.
