When the calendar turns to March, my kitchen starts smelling like a cozy Irish pub—minus the sticky floors. These Irish Cream No Bake Cookies are the crown jewel of my St. Patrick’s Day preparation. While traditional no-bakes usually rely on milk and cocoa, this version swaps the dairy for decadent Irish Cream Liqueur. The result? A sophisticated, adult-friendly treat that captures the essence of a boozy milkshake in cookie form. Whether you are hosting a festive party or just want a little “luck of the Irish” during your afternoon coffee break, these cookies deliver. They are chewy, creamy, and surprisingly easy to whip up without ever touching your oven. In just 15 minutes of active time, you’ll have a batch of emerald-isle-inspired goodness that everyone will be begging for.

Why You’ll Love This Recipe
You are going to fall in love with these cookies for three main reasons: speed, flavor, and texture. First, the convenience of a “no-bake” recipe cannot be overstated; it’s the perfect solution for when you need a last-minute dessert but your oven is already occupied with corned beef and cabbage. Second, the Irish Cream Liqueur adds a complex depth of flavor—notes of chocolate, vanilla, and toasted nuttiness—that you just can’t get from extracts alone. Finally, the addition of vanilla pudding mix creates a uniquely soft and fudge-like consistency that sets beautifully every single time. It’s a “foolproof” recipe that tastes like it came from a professional bakery.
What Is an Irish Cream No Bake Cookie?
Historically, no-bake cookies (often called “Preacher Cookies” or “Cow Patties”) became popular in the mid-20th century as a quick way to satisfy a sweet tooth using pantry staples like oats, sugar, and butter. This specific version is a modern, “elevated” twist on that classic Americana. By replacing the traditional milk with Irish Cream Liqueur, we transform a humble childhood snack into a gourmet dessert. The alcohol in the liqueur mostly cooks off during the boiling process, leaving behind a concentrated, creamy flavor profile. The addition of powdered coffee creamer and instant pudding mix further enhances the “creaminess” of the Irish Cream, making these significantly more decadent than the cocoa-heavy versions you might remember from grandma’s kitchen.
Ingredients Overview: What You’ll Need
To achieve the perfect set and flavor, quality ingredients are key. Here is a breakdown of the stars of the show:
- Granulated Sugar: This provides the structural base. When boiled with the butter and liqueur, it creates a simple syrup that binds the oats together.
- Irish Cream Liqueur: Use your favorite brand (like Baileys or Five Farms). This provides the moisture and the signature boozy, botanical flavor.
- Unsalted Butter: Real butter is essential here. It adds richness and helps the cookies firm up as they cool. Avoid margarine, as the water content can prevent a proper set.
- 1-Minute Oatmeal (Quick Oats): This is non-negotiable. Quick oats are thinner than old-fashioned oats, allowing them to soften slightly in the hot syrup for a chewy, rather than tough, texture.
- Instant Vanilla Pudding Mix: This is our secret weapon. The starch in the pudding mix acts as a stabilizer, ensuring the cookies don’t turn out “crumbly” or “melty.”
- Powdered Coffee Creamer: This boosts the “cream” factor of the Irish Cream and adds a hit of extra sweetness and vanilla aroma.
- Salt and Vanilla Extract: These act as flavor enhancers, balancing the sweetness and making the Irish Cream notes pop.
Ingredient Substitutions & Tips
If you find yourself missing an item, don’t panic. You can substitute the Irish Cream with a mixture of heavy cream and a teaspoon of rum extract for a non-alcoholic version. If you only have Old Fashioned oats, you can pulse them in a blender 2-3 times to break them down into a “quick oat” consistency. For the pudding mix, while vanilla is classic, using White Chocolate pudding mix adds a lovely buttery depth. If you want to lean into the St. Patrick’s Day theme, feel free to add a single drop of green gel food coloring to the liquid mixture while it boils to give the cookies a festive hue.
Directions
- Prepare Your Surface: Before you turn on the stove, line two large baking sheets with wax paper or parchment paper. Once the mixture is ready, it sets fast, so you won’t have time to fumble with rolls of paper later.
- The Boiling Base: In a large, heavy-bottomed saucepan, combine the granulated sugar, Irish Cream Liqueur, unsalted butter, and salt. Turn the heat to medium-high. Stir constantly until the butter is melted and the sugar is dissolved.
- The 90-Second Rule: Bring the mixture to a full “rolling boil”—this means the bubbles don’t disappear when you stir it. Start a timer for exactly 90 seconds. This is the most critical step; too short and they won’t set; too long and they will be dry and crumbly.
- Flavor and Bulk: Remove the pot from the heat immediately. Stir in the vanilla extract. Quickly add the 4 cups of 1-minute oatmeal, the dry vanilla pudding mix, and the powdered coffee creamer.
- Incorporate: Stir vigorously with a wooden spoon or silicone spatula. Ensure every oat is coated and the pudding mix is fully dissolved into the hot syrup.
- Scoop and Set: Using a medium cookie scoop or two tablespoons, drop mounds of the dough onto your prepared paper.
- The Waiting Game: Let the cookies sit undisturbed at room temperature. They will take about 45 to 60 minutes to firm up completely. If your house is particularly warm, you can move the trays to the fridge after 20 minutes to speed things up.
Expert Baking Tips for Success
The biggest challenge with no-bakes is the “set.” To ensure success, always use a timer for the boiling phase. Humidity is also a factor; on very rainy days, the sugar may not crystallize correctly, so you might need to boil for an extra 10 seconds. Another pro-tip: make sure your pudding mix is specifically “Instant” and not “Cook and Serve.” The cook-and-serve variety requires different temperatures to thicken and won’t work in this no-heat-mixing application. Finally, use a heavy-bottomed pot to prevent the sugar from scorching at the bottom, which can introduce a bitter burnt flavor to the delicate Irish cream.
How to Get the Perfect Set Every Time
If your cookies frequently turn out “shiny” and “gooey” even after an hour, it usually means the sugar mixture didn’t reach a high enough temperature (the “soft ball” stage). To prevent this, don’t start your timer until the entire surface of the liquid is covered in vigorous bubbles. Conversely, if they are dry and sandy, you likely boiled them too long or used Old Fashioned oats. If you realize the mixture is too dry while still in the pot, you can stir in a tablespoon of extra Irish Cream or milk to loosen it up before scooping. Practice makes perfect with the 90-second boil!
Serving Suggestions
These cookies are naturally rich, so they pair beautifully with a bitter drink like a dark roast coffee or a stout beer. For a St. Patrick’s Day party, serve them on a wooden board alongside some fresh green grapes and a few sprigs of mint. You can also drizzle the tops with melted white chocolate tinted green for an extra decorative touch. They are quite sturdy once set, making them excellent for gifting in tins or cellophane bags for friends and coworkers.
Storage & Make-Ahead Tips
Irish Cream No Bake Cookies store exceptionally well. Keep them in an airtight container at room temperature for up to 5 days. If you prefer a firmer, cold cookie (which I personally do!), store them in the refrigerator for up to 2 weeks. You can also freeze these! Simply place the set cookies in a freezer-safe bag with parchment paper between layers; they will stay fresh for up to 3 months. Just thaw at room temperature for 10 minutes before eating.
FAQs
Can I make these cookies non-alcoholic?
Yes! Simply replace the 1 cup of Irish Cream Liqueur with 1 cup of heavy cream and add 1 teaspoon of Irish Cream flavored syrup or rum extract.
Why are my no-bake cookies crumbly?
This usually happens if the mixture was boiled for too long, or if too many oats were added. Ensure you measure your oats accurately using the “spoon and level” method.
Do I need to refrigerate these?
They do not require refrigeration to stay safe, but if your kitchen is warm or humid, the refrigerator helps them maintain a better texture and prevents them from becoming tacky.
Can I use Old Fashioned Oats instead of Quick Oats?
It is not recommended. Old-fashioned oats are much thicker and won’t soften enough in the 90 seconds of heat, resulting in a very tough, “birdseed” like texture.
Is the alcohol content safe for children?
While much of the alcohol boils off during the 90-second window, a small amount may remain. If serving to children, you may prefer the non-alcoholic substitution mentioned above.
These Irish Cream No Bake Cookies are a delightful departure from the standard dessert routine. They offer a sophisticated flavor profile with the ease of a 15-minute kitchen project. Perfect for holidays, potlucks, or a late-night craving, they prove that you don’t need an oven to create a “gourmet” cookie. Give them a try this St. Patrick’s Day, and they might just become your new favorite tradition. Happy “baking”—or rather, no-baking!
PrintIrish Cream No Bake Cookies
These Irish Cream No Bake Cookies are a boozy twist on the classic cookie recipe! Irish cream combined with sugar, butter, and oatmeal for a richly sweet treat that’s perfect for St. Patrick’s Day!
- Prep Time: 5 minutes
- Cook Time: 10 minutes
- Total Time: 15 minutes
- Yield: 18 cookies
- Cuisine: Irish-American
Ingredients
2 cups granulated sugar
1 cup Irish Cream Liqueur
¾ cup unsalted butter
¼ teaspoon salt
1 teaspoon vanilla extract
4 cups 1-minute oatmeal
1 (3.4 oz.) box instant vanilla pudding mix dry
¼ cup powdered coffee creamer
Instructions
Combine sugar, Irish Cream, butter, and salt in a large heavy-bottomed pot.
Bring the mixture to a rolling boil over medium-high heat, stirring frequently.
Once at a full boil, set a timer for exactly 90 seconds.
Remove the pot from the heat immediately after the timer goes off.
Stir in the vanilla extract, then quickly fold in the 1-minute oatmeal.
Add the dry vanilla pudding mix and powdered coffee creamer, stirring until no dry streaks remain.
Using a cookie scoop, drop spoonfuls of the mixture onto parchment or wax paper.
Allow the cookies to set at room temperature for at least 60 minutes until firm.
Notes
• Ensure you use “1-minute” or “Quick Oats” for the correct texture; old-fashioned oats will be too chewy.
• The 90-second boil timing is critical for the cookies to set properly.
• If your kitchen is very humid, you may need to let them set in the refrigerator.




