Giant Peanut Butter Oat Cookie

Prep: 20 min Cook: 10 min Serves: 24 Cuisine: American

Indulge in giant peanut butter oatmeal cookies that combine rich flavors and chewy texture, perfect for peanut lovers and cookie enthusiasts craving a hearty treat.

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Ingredients

  • 1 1/4 cups all-purpose flour
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • 1/4 teaspoon salt
  • 2 1/2 cups quick-cooking oats
  • 1 cup corn oil
  • 1 teaspoon vanilla
  • 2 eggs
  • 1 cup firmly packed brown sugar
  • 1 cup sugar
  • 1 cup peanut butter

Instructions

  1. Stir together flour, baking powder, baking soda, and salt in a medium bowl.
  2. Mix in oats.
  3. In another bowl, beat margarine and peanut butter on medium speed of electric mixer until smooth.
  4. Beat in brown sugar and sugar until blended.
  5. Beat in eggs and vanilla.
  6. Add oat mixture and stir by hand until well combined.
  7. Shape mixture into 2-inch balls.
  8. Place 6 balls on an ungreased cookie sheet and flatten each to 3 inches in diameter.
  9. Bake at 350°F (175°C) for 9 1/2 minutes or until golden.
  10. Cool completely on wire rack.

Tips & Substitutions

For a chewier texture, consider using old-fashioned oats instead of quick-cooking oats. You can substitute half of the peanut butter with almond butter for a different flavor. If you're looking for a healthier option, use coconut oil instead of corn oil. Make sure to flatten the balls adequately before baking to ensure even cooking.

Serving Suggestions

These giant peanut butter oat cookies are delightful on their own or served alongside a glass of milk. For a fun twist, drizzle them with Microwave Crunchy Chocolate Sauce for added indulgence. They also pair well with a scoop of vanilla ice cream for a delicious dessert treat.

Storage & Reheating

Store leftover cookies in an airtight container at room temperature for up to a week. For longer storage, you can freeze them in a single layer on a baking sheet, then transfer them to a freezer bag for up to three months. To reheat, microwave for 10-15 seconds or until warmed through.

Nutrition & Diet Analysis (per serving)

Each serving of Giant Peanut Butter Oat Cookie contains roughly 193 calories, with 3g protein, 17g carbohydrates, and 13g fat. Note that it is relatively high in sodium, at 624mg per serving (27% of the Daily Value).

193 kcal 10% DV
Protein Fat Carbs

Macronutrients

Protein 2.7g 5% DV
Total Fat 12.8g 16% DV
Carbs 17.3g 6% DV
Fiber 0.6g 2% DV
Sugar 0.6g 1% DV

Electrolytes

Sodium 624mg 27% DV
Potassium 97.3mg 2% DV
Cholesterol 25.8mg 9% DV

Vitamins & Minerals

Vitamin A 6.3mcg 1% DV
Vitamin C 0.1mg
Calcium 70.7mg 5% DV
Iron 0.8mg 5% DV
Diet fit Low-carb Under 400 cal
Contains Milk Egg Wheat/Gluten Peanut

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use natural peanut butter instead of regular peanut butter?

Yes, you can use natural peanut butter in this recipe. Just ensure that it is well-stirred and creamy, as natural varieties can separate. The flavor will be slightly different, but it will still work well in the cookie dough.

What can I add to the dough for extra flavor?

You can enhance the flavor by adding chocolate chips, chopped nuts, or even dried fruit to the dough. A teaspoon of cinnamon can also add a warm spice note that complements the peanut butter beautifully.

How can I adjust the recipe for gluten-free diets?

To make this recipe gluten-free, substitute the all-purpose flour with a gluten-free flour blend. Additionally, make sure that the oats used are certified gluten-free, as cross-contamination can occur with regular oats.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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