3 Ingredient No Bake Peanut Butter Oat Cups
Some snack recipes ask for a trip to the store, a stack of bowls, and a free afternoon. This one asks for three pantry staples and about fifteen minutes. That is the entire promise of these 3 Ingredient No Bake Peanut Butter Oat Cups, and it is the reason a batch lives in my fridge more often than not.
The cups are soft and chewy, sweetened with maple syrup, and held together by creamy peanut butter and rolled oats. There is no baking and no cooking involved. No oven, no stove, no flour, and no eggs. You stir, scoop, chill, and eat. That is it.
I started making these on Sunday evenings, back when my youngest decided that 6:45 in the morning was the ideal time to announce hunger. Now I pull two cups from the fridge, hand them over, and everyone leaves the house calm.
They also travel well, which matters if you are packing lunches, heading to practice, or studying through a long afternoon. Few ingredient, quick recipes like this one are simply convenient for snacking on the go.
This recipe belongs to a small family of treats that all share the same easy rhythm. There is peanut butter granola, peanut butter oatmeal cookies, and classic no bake oatmeal cookies. Same idea, same relaxed approach, slightly different shapes.
When I plan a January recipe list, my goal is always the same: the easiest recipes with the fewest ingredients I can manage. Cold weather, busy schedules, and a kitchen that has already done enough work for the day all point in one direction. Keep it simple.
One note before you start. This is a no bake recipe, but you will still warm the peanut butter and maple syrup together. A microwave does the job in short bursts. If you would rather not use it, a saucepan on the stovetop works too, and I walk through both options below.
The finished batch makes 34 mini cups. Thirty four small, satisfying snacks from one bowl. That math alone earns these a permanent spot on your counter.
Jump to:
- 3 Ingredient No Bake Peanut Butter Oat Cups
- Easy No Bake Peanut Butter Oatmeal Cookie Cups
- Only 3 Ingredients for Delicious Peanut Butter Oatmeal Cups
- How to Make No Bake Peanut Butter Oatmeal Cookie Cups
- Best Tools for Easy No Bake Peanut Butter Oatmeal Cookie Cups
- More Easy No Bake Cookies & Snacks
- FAQs
- What are the three ingredients needed for no bake peanut butter oat cups?
- How do you make these no bake peanut butter oat cups?
- Can I substitute ingredients in this 3 ingredient no bake recipe?
- How should I store these peanut butter oat cups and how long do they last?
- 3 Ingredient No Bake Peanut Butter Oatmeal Cookie Cups (Healthy)
- Ingredients
- Instructions
- Last Step:
- Nutrition
- Did you make this recipe?
Easy No Bake Peanut Butter Oatmeal Cookie Cups
If you have ever made no bake peanut butter oatmeal cookies, you already know the dough. This recipe is the cups version of that familiar cookie, and the tweak is small but important.
The original cookie dough gets a little more moisture and a few fewer oats. That single adjustment changes the mixture from crumbly to scoopable. Instead of fighting the dough into a ball, you press it into a pan and move on with your day.
Easier scooping also means easier molding, and that opens up some fun. You can press the same dough into shaped molds, hearts or dinosaurs, if you have them on hand. My niece requested dinosaur cups for her birthday snack table last year, and honestly, the request made perfect sense.
Want a cookie instead? Scoop the dough and flatten it into rounds on a lined sheet, then chill. Want a ball? Skip the flattening step entirely. Same mixture, three shapes, no extra shopping.
The only real difference between the cookie, the cup, and the ball is how you press the dough. Choose the shape that matches your afternoon.
Only 3 Ingredients for Delicious Peanut Butter Oatmeal Cups
Here is the entire shopping list. If your pantry is reasonably stocked, you probably own all three items already.
| Ingredient | Amount | What to look for |
|---|---|---|
| Smooth peanut butter | 1 cup | Natural and creamy works best, and homemade peanut butter is a lovely option |
| Pure maple syrup | 1/4 cup plus 2 tablespoons | Brings the sweetness and the moisture that holds everything together |
| Gluten free rolled oats | 1 3/4 cups | Regular rolled oats, also called old fashioned oats, work if gluten is not a concern for you |
That is the whole list. Three ingredients, one bowl, and no mystery. If you enjoy peanut butter desserts in general, my peanut butter blondies and oatmeal cookie bars follow the same generous, simple logic.
How to Make No Bake Peanut Butter Oatmeal Cookie Cups
The method is short, but a couple of small details make a real difference. Follow along and you will have a tray of cups in the freezer before your coffee goes cold.
- Set up your pan. Lay a 24 mini cup silicone baking pan on a medium baking sheet. The baking sheet gives the soft silicone a stable base, which makes the trip to the freezer much easier. Set it aside for later.
- Whisk the base. In a large, microwave safe bowl, add 1 cup smooth peanut butter and 1/4 cup plus 2 tablespoons pure maple syrup. Whisk until well mixed.
- Warm the mixture. Heat in 20 second increments in the microwave until warm and fragrant and the mixture begins to dry out, which takes about 4 to 7 rounds. Whisk between each heating round.
- Fold in the oats. Add 1 3/4 cups gluten free rolled oats and fold with a rubber spatula or wooden spoon until thoroughly combined. The dough is ready, and yes, it tastes great straight from the bowl.
- Scoop and press. Using a small cookie scoop, drop balls of dough into the cups of the pan. Press and flatten with a spoon until the tops are smooth and the dough sits evenly in each cup. Extra dough can go into another pan, or you can make thicker cups.
- Chill. Freeze for 15 to 25 minutes, until firm.
If you skip the flattening step, you get peanut butter oat balls instead of cups. Same flavor, different shape, and nobody has ever complained about that.
A stovetop option. If you prefer not to use the microwave, heat the peanut butter and maple syrup in a saucepan over medium low heat, whisking until well incorporated and the mixture begins to bubble. Then remove it from the heat and continue with the oats. The result is the same.
Storing your cups. Keep them in an airtight container in the refrigerator or at room temperature for up to one month. After the first day, room temperature is fine, and they actually become a bit more firm.
For longer storage, use a freezer friendly container or bag and freeze for one to two months. Let them thaw at room temperature for 5 to 15 minutes before serving.
What you get per cup. Each mini cup is about 71 calories, with 7g carbohydrates, 2g protein, 4g fat, 1g saturated fat, 1g fiber, 3g sugar, and 33mg sodium. Those are source values and they are approximate.
Best Tools for Easy No Bake Peanut Butter Oatmeal Cookie Cups
You do not need much equipment here, but the few pieces that matter really matter. The pan sits at the top of the list.
The pan. A large and mini cup pan set covers most of my no bake projects, and the mini pan is the one used for this recipe and for every photo. The cups released easily, and the pan cleaned up just as easily.
Soft silicone flexes so the cups pop out without cracking, which is not something you can say about a stiff metal tin.
The bowls. Glass mixing bowls are my default for anything heading into the microwave. They handle the heat, they do not stain, and you can see what you are doing. Small prep bowls keep the oats and syrup measured and ready so the whole process moves quickly.
The bags. Compostable snack bags have earned a permanent spot in my kitchen drawer. I use them to store snacks in the freezer, to carry nuts and bars while traveling, and for everyday lunch packing. They are simple, they work, and they trim the amount of plastic wrap floating around my kitchen.
If you want to stock up on the exact ingredients, look for unsalted natural creamy peanut butter, gluten free rolled oats, and pure maple syrup. Those three items cover the entire recipe.
- 24 mini cup silicone pan, set on a medium baking sheet
- Glass mixing bowls for the microwave step
- Small prep bowls for measuring
- A small cookie scoop for even cups
- Compostable snack bags for freezer and travel storage
That is a short list, and most of it is probably already in your kitchen. That is the whole point of a three ingredient recipe.
More Easy No Bake Cookies & Snacks
If these cups disappear faster than expected, and they will, here are a few more no bake recipes that fit the same relaxed mood:
- Peanut butter oatmeal cookies
- Three ingredient peanut butter bites
- Healthy no bake peanut butter cup oat bars
- Chocolate peanut butter no bake energy bites
- Peanut butter keto energy balls
- Peanut butter oatmeal balls
- Four ingredient dark chocolate peanut butter cups
- Sixteen satisfying snacks made with peanut butter
Start with one batch of these cups, keep them cold, and see how long they last. In my house, the answer is usually two days.
FAQs
What are the three ingredients needed for no bake peanut butter oat cups?
You need 1 cup of smooth peanut butter, 1/4 cup plus 2 tablespoons of pure maple syrup, and 1 3/4 cups of gluten-free rolled oats. Natural peanut butter and old-fashioned oats are recommended for the best texture and flavor.
How do you make these no bake peanut butter oat cups?
Whisk together the peanut butter and maple syrup, then heat in 20-second increments in the microwave until warm and fragrant. Stir in the oats until combined, then press the mixture into a silicone mini-cup pan. Freeze for 15 to 25 minutes until firm.
Can I substitute ingredients in this 3 ingredient no bake recipe?
Yes, you can use non-gluten-free rolled oats if you do not need a gluten-free snack. A stovetop method is also an option: heat the peanut butter and maple syrup in a saucepan over medium-low heat until bubbling. Avoid using steel-cut oats as they remain too hard.
How should I store these peanut butter oat cups and how long do they last?
Store the cups in an airtight container in the refrigerator or at room temperature for up to one month. They can also be frozen for 1 to 2 months. Let frozen cups thaw at room temperature for 5 to 15 minutes before serving.
3 Ingredient No Bake Peanut Butter Oatmeal Cookie Cups (Healthy)
3 Ingredient No Bake Peanut Butter Oat Cups Some snack recipes ask for a trip to the store, a stack of bowls, and a free afternoon. This one asks for three pantry staples and about fifteen minutes.
- Total Time: 15 min
- Yield: 34 mini cups 1x
Ingredients
1 cup smooth peanut butter
¼ cup pure maple syrup
2 tablespoons pure maple syrup
1 ¾ cups gluten free rolled oats
Instructions
1-Lay a 24-mini-cup silicone baking pan on: Lay a 24-mini-cup silicone baking pan on a medium baking sheet. I highly recommend the mini pan in this set, as it’s much easier to remove the oat cups. Set aside for later.
2-In a large, microwave-safe bowl, add peanut: In a large, microwave-safe bowl, add peanut butter and maple syrup. Whisk together until well mixed.
3-Heat in 20-second increments in the microwave: Heat in 20-second increments in the microwave until warm and fragrant, and the mixture begins to dry out (about 4-7 rounds). Whisk in between heating increments. Stovetop instructions in Notes.
4-Add oats to the peanut butter mixture: Add oats to the peanut butter mixture. Use a rubber spatula or wooden spoon to fold until thoroughly combined.
5-Using a small cookie scoop, scoop and: Using a small cookie scoop, scoop and drop balls of cookie dough into the cups of the baking pan. Using a spoon, press and flatten mixture until tops are smooth and dough is evenly distributed in the cup. Use extra dough in another pan, or make thicker cups.
6-Chill in the freezer for 15-25 mins,: Chill in the freezer for 15-25 mins, until firm. Enjoy! Storing instructions below.
Last Step:
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- Cook Time: 0 min
- Method: no_cook
Nutrition
- Calories: 71kcal
- Sugar: 3g
- Sodium: 33mg
- Fat: 4g
- Saturated Fat: 1g
- Carbohydrates: 7g
- Fiber: 1g
- Protein: 2g
