5 Ingredient Peanut Butter Oatmeal Cookies

I made these the first time when I didn’t have flour… and honestly didn’t feel like going to the store. I just threw together what I had—oats, peanut butter, eggs—and hoped for something edible. What came out were these soft, slightly chewy cookies that didn’t feel heavy at all, and now I keep coming back to them when I want something quick.

Why This Recipe Works
Here’s the thing—“healthy cookies” usually end up dry or bland. What I figured out is that peanut butter does most of the work here. It adds fat, flavor, and structure, so you don’t even need flour. The oats give texture, and the maple syrup keeps everything soft without making it overly sweet.

Ingredient Notes
Use a smooth peanut butter that’s well mixed—if it’s too oily or separated, the texture gets weird. I use pure maple syrup, not pancake syrup. Rolled oats work best here; quick oats make them too soft. Chocolate chips are optional, but I wouldn’t skip them unless you really have to.

How to Make It
I start by mixing the peanut butter, maple syrup, and eggs in a bowl until smooth. It comes together pretty quickly—no mixer needed.

Then I stir in the oats, baking soda, cinnamon, and salt. The dough will look a bit loose at first but thickens as the oats absorb everything.

I fold in the chocolate chips last, then scoop the dough onto a baking sheet. I usually make them a bit bigger since they don’t spread too much.

Bake until the edges are set and the tops look slightly dry. They stay soft in the middle, so don’t wait for them to look fully firm.

Things I Learned the Hard Way

• If your peanut butter is too runny, the cookies spread too much.
• Don’t skip the salt—it balances everything.
• They don’t brown like regular cookies, so don’t rely on color.
• Let them cool before moving them—they firm up as they sit.

Storage & Serving Suggestions
These keep well in the fridge for about 4–5 days. I actually prefer them slightly chilled or at room temp. They’re good as a quick snack or something to eat after a workout when you want something simple.

5-Ingredient Peanut Butter Oatmeal Cookies (Flourless & Easy)

Soft and chewy peanut butter oatmeal cookies made with just 5 simple ingredients—flourless, quick, and perfect for an easy snack.

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Prep Time 10 minutes mins

Cook Time 12 minutes mins

Total Time 22 minutes mins

Servings: 12 cookies

Ingredients Method Notes

Ingredients

  

• 1 cup peanut butter
• 1/3 cup pure maple syrup
• 2 eggs
• 1 1/2 cups rolled oats
• 1/4 teaspoon baking soda
• 1/2 teaspoon ground cinnamon
• 1/2 teaspoon sea salt
• 2/3 cup chocolate chips

Method

 

Preheat oven to 350°F (175°C) and line a baking sheet.

In a bowl, mix peanut butter, maple syrup, and eggs until smooth.

Add oats, baking soda, cinnamon, and salt, stirring until combined.

Fold in chocolate chips.

Scoop dough onto baking sheet, forming cookie shapes.

Bake for 10–12 minutes until edges are set.

Let cool on the baking sheet before removing.

Notes

Use well-mixed peanut butter for best texture. Cookies will not brown much but will firm up as they cool. Store in the fridge for up to 5 days.