Surprise Cake

Surprise Cake


"We make this all the time, company can never guess what is in it!"


servings 248 cals
Serving size has been adjusted!

Original recipe yields 24 servings



  • Calories:
  • 248 kcal
  • 12%
  • Fat:
  • 11.4 g
  • 18%
  • Carbs:
  • 36g
  • 12%
  • Protein:
  • 2.3 g
  • 5%
  • Cholesterol:
  • 43 mg
  • 14%
  • Sodium:
  • 179 mg
  • 7%

Based on a 2,000 calorie diet

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  1. Preheat oven to 350 degrees F (175 degrees C). Grease and flour a 9x13 inch baking pan.
  2. In a large bowl, combine sugar, flour and salt. Set aside.
  3. In a small saucepan, bring 1 cup butter, water and 3 tablespoons cocoa to a boil. Remove from heat. Add to flour mixture and beat until smooth.
  4. In a separate bowl, Mix sour cream, eggs, baking soda and cayenne pepper. Add to the cake batter. Blend well. Pour batter into 9x13 inch pan.
  5. Bake at 350 degrees F (175 degrees C) for 20 to 30 minutes, or until toothpick inserted into center of cake comes out clean. Allow to cool.
  6. For the Frosting: Melt 1/4 cup butter, add 1/3 cup cocoa. Add confectioners sugar, milk and vanilla. Mix until smooth and free of lumps.
  7. Spread frosting on the cooled cake. Cut into squares and serve. Ask your company if they can guess what is in it, they never will.
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  1. 81 Ratings


Very good cake like brownies. The only thing I would change is instead of adding water, I would add cold coffee and instead of 1 tsp of cayenne pepper I would decrease it to just 1/2 tsp. The ...

I was hosting Thanksgiving this year, and found out pretty last-minute that there was a pumpkin shortage, and was really disappointed... until I found this awesome recipe! I was thinking to myse...

Very moist, very tasty chocolate cake that has a warmth but there is no way it has any hint of pepper taste. This is a really fantastic cake. The frosting though was runny and I had too add anot...

I made this cake for my husband's birthday, and it turned out amazing. It was extremely moist. I even let it cook about 35-40 minutes, checking it every 5 minutes over 30. Also, I added a cup of...

Awesome cake. I used Ancho chili powder and instead of the icing listed made cream cheese icing and topped with pieces of a lindt chili dark chocolate bar (one square of chocolate per piece of c...

What an amazing chocolatey flavor! Everybody loved this cake and nobody guessed the secret ingredient (one of the guests thought it had Pepsi in it!) I used the recipe without making any changes...

My 2 year old wanted to make cake last night. I "helped" her make this one, it is an instant family favourite. The consistency is awesome, and the little bite from cayenne (we used 1 tsp) is gre...

I don't know what to think about this cake. The texture seems undercooked yet my toothpicks came out clean in two different areas of the cake. It's beyond moist and I don't know if I like that...

I made this with Vindiloo spice (a popular Indian spice) in place of cayanne. I used quite a bit (maybe 1 1/2 tsp) its very spicy but nice. I plan on using chocolate ganache to top.