By mamagourmand.com
Big, Soft, and Chewy Oat Flour Peanut Butter Cookies
5 steps
Prep:5minCook:12min
You won't believe these old fashioned, soft and chewy peanut butter cookies are actually made with oat flour and naturally gluten-free. Peanut butter oat flour cookies have that old school taste and texture thanks to two simple baking tricks anyone can pull off. Let's make this super-dooper easy recipe together!
Updated at: Sun, 01 Mar 2026 00:46:49 GMT
Nutrition balance score
Unbalanced
Glycemic Index
61
Moderate
Glycemic Load
9
Low
Nutrition per serving
Calories139.7 kcal (7%)
Total Fat8.3 g (12%)
Carbs14.1 g (5%)
Sugars7.9 g (9%)
Protein3.3 g (7%)
Sodium107.6 mg (5%)
Fiber1 g (3%)
% Daily Values based on a 2,000 calorie diet
Ingredients
26 servings
Instructions
Step 1
First, make your oat flour if you don't have some on hand. Place 2 cups old fashioned or quick-cooking oats into a food processor or high-powered blender. Blend until the oats until it turns into a fine, powdery flour (about 1 minute). Check to make sure you don't have any larger flecks of oats, and if so, blend again. Set aside.
Step 2
In a large mixing bowl or stand-mixer, mix together on medium high speed the softened butter, peanut butter, brown sugar, and sugar until light and fluffy, about 2-3 minutes. Add the egg and vanilla extract and combine well.
Step 3
On low speed mix in the oat flour, baking soda, and salt until well combined.
Step 4
Although this step may be skipped if you're in a hurry, I recommend chilling the dough for best results. (See post for why!) Cover and chill for at least 1 hour, up to overnight.
Step 5
When ready to bake, preheat oven to 325℉ for soft batch cookies, 350℉ for a crispier cookie. Use a medium cookie scoop or drop 1 ½ – 2 tablespoons onto the sheets about 2 inches apart. Bake for 12-14 minutes, turning and rotating pans halfway through. Be careful to not over bake, especially if making soft batch cookies. If making crispy cookies, bake 14-15 minutes. Cool on the baking sheets for 5 minutes before transferring to cooling rack.
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