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A wire cooling rack filled with 24 freshly baked peanut butter oatmeal chocolate chip cookies, showing a thick, chewy texture and melted chocolate bits.

Chocolate Chip Oatmeal Peanut Butter Cookies

A thick, chewy, and deeply satisfying cookie designed to power you through the day. Loaded with hearty rolled oats and creamy peanut butter, these cookies are the ultimate high-protein, fiber-rich snack for an active lifestyle.
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Prep Time 15 minutes
Cook Time 12 minutes
Rest Time 30 minutes
Total Time 57 minutes
Course Snack
Cuisine American
Servings 24
Calories 5405 kcal

Equipment

  • 1 1 Tbsp Cookie Scoop
  • 1 Mixing Bowl Set
  • 1 Whisk
  • 1 Rubber Spatula
  • 1 Measuring Cups Set
  • 1 Measuring Spoons Set
  • 1 Baking Sheet with Wire Rack
  • 1 Electric Mixer

Ingredients
  

Wet Ingredients

  • 1/2 cup Butter softened
  • 1 cup Peanut Butter Creamy or Crunchy
  • 1 cup Brown Sugar packed
  • 1/2 cup White Sugar
  • 2 Large Eggs
  • 1 tsp Vanilla Extract

Dry Ingredients

  • 1 1/2 cups All-Purpose Flour
  • 1 tsp Baking Soda
  • 1 tsp Cinnamon
  • 1/2 tsp Salt
  • 3 cups Rolled Oats Old Fashioned
  • 1 cup Semi-Sweet Dark Chocolate Chips

Instructions
 

Cream the Wet

  • In a large mixing bowl, cream together the softened butter, peanut butter, and both sugars until smooth. Beat in the eggs one at a time, then stir in the vanilla.

Combine the Dry

  • In a separate bowl, whisk together the flour, baking soda, cinnamon, and salt.
  • Gradually add the dry flour mixture into the wet peanut butter base until just combined.
  • Use a rubber spatula to fold in the rolled oats and the chocolate chips until evenly distributed.
  • Refrigerate the dough for 30 minutes. This 30-minute rest helps to preventing spreading and ensures a thick, soft-centered cookie.
  • Scoop rounded tablespoons of the cold dough onto an ungreased baking sheet. Bake at 350°F for 10–12 minutes until the edges are golden-brown.
  • Set: Let the cookies rest on the baking sheet for 5 minutes before moving them to a wire rack.

Notes

Flash Chill: To prevent the cookies from spreading too thin, chill the dough in the refrigerator for at least 30 minutes before scooping. If you’re tight on time, 10 minutes in the freezer does the trick.
Make-Ahead Dough: You can prepare the dough on Sunday, roll it into balls using your 1 Tbsp Cookie Scoop, and freeze them on a Baking Sheet. On Monday, just pop the frozen dough balls straight into the oven (add 1–2 minutes to the bake time).
The Oat Ratio: This recipe uses a high 3:1 oat-to-chip ratio. For the best “chew” and fiber content, use Old Fashioned Rolled Oats. Instant oats will make the cookies too soft, and Steel Cut oats will remain too gritty.
Peanut Butter Precision: Use a standard creamy peanut butter (like Jif or Skippy). “Natural” peanut butters that require stirring can vary in oil content and may cause the cookies to crumble or become overly greasy.
Salt Balance: If using salted butter, reduce the added salt in the dry ingredients by half to maintain the intended flavor profile.
Don’t Overbake: Take the cookies out when the edges are just starting to turn golden brown, even if the centers look slightly soft. They will finish “setting” on the Baking Sheet with Wire Rack as they cool.

Storage for Longevity

  • Room Temp: Store in an airtight container for up to 5 days.
  • The Softness Hack: Toss a small piece of bread into the container with the cookies; the oats will absorb the moisture from the bread, keeping the cookies soft for days.

Nutrition

Serving: 24gCalories: 5405kcalCarbohydrates: 932gProtein: 104gFat: 147gSaturated Fat: 79gPolyunsaturated Fat: 14gMonounsaturated Fat: 39gTrans Fat: 0.5gCholesterol: 383mgSodium: 3725mgPotassium: 3288mgFiber: 52gSugar: 534gVitamin A: 636IUVitamin C: 0.1mgCalcium: 907mgIron: 37mg
Keyword Fiber Forward, High-Protein, Meal Prep Snack, Old Fashioned Oats, Peanut Butter, Performance Fuel, Satiating
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