These No Bake Peanut Butter Oatmeal Cookies are some of our favorites! They only have a few ingredients, and are super easy to make.

If you love these cookies, you will also love the chocolate version. Both are super easy to make and always a hit for any gathering.
❤️WHY WE LOVE THIS RECIPE
There are so many different ways to make these no-bake cookies but this is one of my favorites. I cannot leave these cookies alone when they are in the house. I like how easy they are to make and they are always a hit when I serve them. Plus the fact that they are only a few ingredients is just a bonus!
🍴KEY INGREDIENTS
- Sugar
- Butter
- Evaporated milk (can use regular milk)
- Vanilla extract
- Peanut butter (creamy or crunchy)
- Quick-cooking oats, uncooked
SWAPS
We like these best with the creamy peanut butter but they are delicious either way.
🍽️HOW TO MAKE
Super simple to make and the trick is to make sure it is BOILING. You can’t just let it come to a little boil, it needs to be a hard boil so they will harden. Full recipe in printable recipe card below.
📖COOKING STEPS
Step 1
Combine sugar, butter and milk in a pan on top of the stove. Bring to a hard boil and boil for 1 minute, stirring to make sure the ingredients do not stick.
Step 2
Remove from heat and stir in vanilla extract and peanut butter until mixture is melted and smooth. Fold in oats and drop by spoonfuls onto wax paper. Let cool. Makes about 24 cookies depending on size you make them. Please see notes in recipe card.

⭐TIP
These are just as good the next day so you can easily make these in advance.
OTHER DELICIOUS RECIPES
STORING & SERVING SIZE
Store these delicious no-bake peanut butter cookies in an airtight container. This makes about 24 cookies, so about 10-12 servings.

No Bake Peanut Butter Oatmeal Cookies
These no bake peanut butter oatmeal cookies are a great twist on a classic. If you love peanut butter these easy cookies are for you!
- 1 1/2 cups sugar
- 1/2 cup butter or 1 stick or 8 tablespoons
- 1/2 cup evaporated milk can use regular milk
- 1 teaspoon vanilla extract
- 3/4 cup peanut butter creamy or crunchy
- 2 1/4 cups quick-cooking oats uncooked
-
Combine sugar, butter and milk in a pan on top of the stove. Bring to a hard boil and boil for 1 minute, stirring to make sure ingredients do not stick
-
Remove from heat and stir in vanilla extract and peanut butter until mixture is melted and smooth. Fold in oats and drop by spoonfuls onto wax paper. Let cool. Makes about 24 cookies depending on size you make them.
You can very versatile with these cookies, I made these with smooth peanut butter and added a cup of chopped pecans. Some of you seem to be having trouble with these cookies. You have to bring them to a hard rolling boil before dropping on wax paper. Once you drop them on the paper, move to a cool place to harden. You could put in the refrigerator or even the freezer for a while. Once they are hard keep in an airtight container in a cool place. I have kept them up to two weeks.
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