Old Fashioned Peanut Butter Sheet Cookies

Prep: 15 min Cook: 12 min Serves: 24 Cuisine: American

Chewy peanut butter sheet cookies packed with rich flavor and a hint of sweetness, perfect for peanut butter lovers and customizable with add-ins like M&M's or butterscotch chips.

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Ingredients

  • 1 cup shortening
  • 1 cup peanut butter
  • 1 cup packed brown sugar
  • 1 cup sugar
  • 2 eggs
  • 2.5 cups flour
  • 1 teaspoon soda
  • 1 teaspoon baking powder
  • 1/4 teaspoon salt

Instructions

  1. Preheat your oven to 350°F (175°C).
  2. In a large mixing bowl, cream together the shortening, peanut butter, brown sugar, and sugar until smooth.
  3. Beat in the eggs until well combined.
  4. Gradually add the sifted flour, baking soda, baking powder, and salt, mixing until a dough forms.
  5. Optional: Fold in M&M's, Reese's pieces, butterscotch chips, or all of these for added flavor and texture.
  6. Spread the dough evenly into a greased or parchment-lined 9x13 inch baking pan.
  7. Bake in the preheated oven for approximately 12 minutes, or until edges are golden.
  8. Allow the cookies to cool in the pan before cutting into squares and serving.

Tips & Substitutions

For a richer flavor, consider using natural peanut butter, which has no added sugars or oils. You can substitute half the shortening with unsalted butter for a different texture. If you prefer a gluten-free option, try using an all-purpose gluten-free flour blend. Ensure all ingredients are at room temperature for better mixing. Optional add-ins like chocolate chips or chopped nuts can enhance the cookie experience.

Serving Suggestions

These cookies are perfect for a casual dessert or a sweet addition to a picnic. They pair beautifully with a glass of milk or a scoop of vanilla ice cream. For a fun twist, try serving them alongside a dish like Creamy Horseradish Dip for a savory-sweet balance. Cut them into smaller squares for an easy treat during gatherings.

Storage & Reheating

Store leftover cookies in an airtight container at room temperature for up to a week. For longer storage, freeze the cookies in a single layer on a baking sheet, then transfer to a freezer bag for up to three months. To reheat, place them in a microwave for a few seconds or in an oven at 350°F until warmed through.

Nutrition & Diet Analysis (per serving)

Each serving of Old Fashioned Peanut Butter Sheet Cookies contains roughly 302 calories, with 7g protein, 22g carbohydrates, and 23g fat. It is a good source of protein (13% of the Daily Value).

302 kcal 15% DV
Protein Fat Carbs

Macronutrients

Protein 6.6g 13% DV
Total Fat 22.8g 29% DV
Carbs 21.5g 8% DV
Fiber 2.5g 9% DV
Sugar 11.8g 24% DV

Electrolytes

Sodium 237.4mg 10% DV
Potassium 247.7mg 5% DV
Cholesterol 10.8mg 4% DV

Vitamins & Minerals

Vitamin A 2.7mcg
Vitamin C 3.7mg 4% DV
Calcium 75.7mg 6% DV
Iron 0.8mg 4% DV
Diet fit 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 crunchy peanut butter instead of creamy?

Yes, you can certainly use crunchy peanut butter for added texture. The cookies will have a delightful crunch and a more varied peanut flavor. Just keep in mind that it may slightly change the consistency of the dough, making it a bit thicker.

How do I know when the cookies are done baking?

The cookies are done when the edges are golden brown, and the center looks set and slightly puffy. Keep an eye on them, as baking times may vary depending on your oven. Remember, they will continue to firm up as they cool in the pan.

Can I make the dough ahead of time?

Absolutely! You can prepare the dough ahead of time and refrigerate it for up to 24 hours. When ready to bake, spread the chilled dough into the pan and allow a few extra minutes for baking time if it's very cold. This can enhance the flavors as well.

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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