Peanut Butter Surprise Cake

Prep: 20 min Cook: 35 min Serves: 12 Cuisine: American

A decadent peanut butter surprise cake featuring chunks of peanut butter cups, rich peanut butter, and a moist, tender crumb. Perfect for peanut lovers and special occasions, it combines creamy, crunchy, and sweet flavors for a delightful dessert experience that satisfies every craving.

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Ingredients

  • 1 cup sugar
  • 1 cup brown sugar
  • 1 teaspoon baking powder
  • 2 cups flour
  • 3 large eggs
  • 1 cup peanut butter
  • 1 cup milk
  • 1/2 cup butter
  • 1 cup peanuts
  • 1/2 teaspoon salt
  • Peanut butter cups (amount as desired for topping)

Instructions

  1. Coarsely chop the peanut butter cups into random pieces.
  2. Spread the chopped peanut butter cups in a metal pan and freeze until solid.
  3. Preheat the oven to 350°F (175°C).
  4. Grease and flour a 9x13-inch pan.
  5. In a mixing bowl, cream together butter, peanut butter, sugar, and brown sugar until smooth.
  6. Add eggs one at a time, mixing well after each addition.
  7. In a separate bowl, whisk together flour, baking powder, and salt.
  8. Gradually add the dry ingredients to the wet mixture, alternating with milk, beginning and ending with dry ingredients.
  9. Pour the batter into the prepared pan, spreading evenly.
  10. Remove the frozen peanut butter cups from the freezer and evenly distribute over the batter.
  11. Bake in the preheated oven for approximately 35 minutes, or until a toothpick inserted into the center comes out clean.
  12. Allow the cake to cool before serving.

Tips & Substitutions

For added flavor, consider using chunky peanut butter instead of smooth for a delightful texture. You can substitute the all-purpose flour with whole wheat flour for a healthier option. If you're looking to reduce sugar, try using a sugar substitute or applesauce. Ensure the peanut butter cups are evenly distributed for a surprise in every bite.

Serving Suggestions

Serve this cake warm with a scoop of vanilla ice cream on top, which complements the rich peanut butter flavor perfectly. For a festive touch, drizzle chocolate sauce over each slice. This cake also pairs well with a side of fresh fruit or a light salad to balance the richness.

Storage & Reheating

Store any leftover cake in an airtight container at room temperature for up to three days. For longer storage, you can refrigerate it for up to a week. To reheat, place a slice in the microwave for 15-20 seconds, or until warmed through, ensuring it retains its moisture.

Nutrition & Diet Analysis (per serving)

Each serving of Peanut Butter Surprise Cake contains roughly 829 calories, with 10g protein, 92g carbohydrates, and 49g fat. It is an excellent source of vitamin A (22% of the Daily Value) and protein (20% of the Daily Value), and a good source of iron and calcium. It also contributes 3g of dietary fiber toward your daily target.

829 kcal 41% DV
Protein Fat Carbs

Macronutrients

Protein 9.8g 20% DV
Total Fat 49.1g 63% DV
Carbs 91.7g 33% DV
Fiber 3.1g 11% DV
Sugar 45.2g 90% DV

Electrolytes

Sodium 420.4mg 18% DV
Potassium 437.5mg 9% DV
Cholesterol 125.1mg 42% DV

Vitamins & Minerals

Vitamin A 198.4mcg 22% DV
Vitamin C 8.9mg 10% DV
Vitamin D 0.2mcg 1% DV
Calcium 173.3mg 13% DV
Iron 2.9mg 16% DV
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; however, it may alter the texture slightly. Natural peanut butter is less sweet and may require a little more sugar added to the batter to achieve the desired sweetness.

What can I substitute for eggs in this recipe?

You can replace each egg with 1/4 cup of unsweetened applesauce or a flax egg (1 tablespoon ground flaxseed mixed with 2.5 tablespoons water) for a vegan option. This will keep the cake moist and flavorful.

How can I make the cake more chocolatey?

To add a chocolate flavor, consider mixing in 1/2 cup of cocoa powder into the dry ingredients or folding in some chocolate chips along with the peanut butter cups. This will create a rich, chocolate-peanut butter combination.

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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