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Criadillas Recipe - Bull Fries Recipe - Rocky Mountain Oysters Recipe

Updated on August 28, 2016

Vote for bull fries dish

4.2 stars from 18 ratings of Criadillas Recipe

Cooking Bull Fries - Testicles

Criadillas recipe, Rocky Mountain oysters, Bull fries or bull testicles are being cooked traditionally in many countries. The recipe of the dish is simple and very interesting to execute. Such delicatessen for many people might sound crazy and even gross, but for those who are interested in tasting and trying something different, Criadillas recipe will satisfy any taste. If just for a second we forget about the origins of the main ingredient, the dish is really exquisite.

Bull fries are being cooked for many centuries and have been added into the list of traditional dishes. We mostly can find this delicatessen in countries with long bullfighting history.

It is said that after killing the bull in bullfighting, toreador-matador has to taste the testicles of the killed bull as a sign of muscularity and absolute victory.

Cook Time

  • Prep time: 20 min
  • Cook time: 20 min
  • Ready in: 40 min
  • Yields: Serves 4 persons


  • 3-4 pieces 0.5kg bull fries, testicles
  • 1/2 teaspoon salt, I prefer sea salt
  • 1 slice onion, medium size
  • 3-5 spoons olive oil, extra virgin
  • 1 slice lemon, medium size
  • 1/5 teaspoon pepper, ground pepper
  • And any spices you like
This is the easiest way to remove the membrane
This is the easiest way to remove the membrane | Source


  1. Remove the membrane from the testicles by gently cutting it as it is shown in the pictures.
  2. Cut the "free membrane" testicles into long and thin pieces and wash them thoroughly.
  3. Boil plenty of water and place testicles inside, one by one. Let them boil for about 5-8 minutes.
  4. In the meantime boil one more liter of water.
  5. When testicles are ready wash them again with prepared water.
  6. Put olive oil on the pan, let it for 2 min. Add testicles, salt, pepper, onion and any other spices you like. Let it fry until testicles color is brownish-golden.
  7. When serving, have fresh lemon in case your guests or you prefer it with the dish.
Just pull the membrane gently
Just pull the membrane gently | Source
Nutrition Facts
Serving size: For 1 = 20g
Calories 50
Calories from Fat18
% Daily Value *
Fat 2 g3%
Saturated fat 2 g10%
Carbohydrates 1 g
Sugar 2 g
Fiber 1 g4%
Protein 5 g10%
Cholesterol 17 mg6%
Sodium 39 mg2%
* The Percent Daily Values are based on a 2,000 calorie diet, so your values may change depending on your calorie needs. The values here may not be 100% accurate because the recipes have not been professionally evaluated nor have they been evaluated by the U.S. FDA.
Ready to be eaten yummy
Ready to be eaten yummy | Source

Other known variation of the dish

1. When frying the testicles you can add half glass of white wine.

2. Before frying you can add to each piece flour.

3. It is possible also to beat an egg with breadcrumbs and add it to the testicles.

5 Many also add white vinegar while boiling.


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    • FatGreenParrot profile image

      Brad Josh 2 years ago

      Heheheh, so people do eat "testicles" of animals. Oh boy, they might be delicious but I'm staying out of it :D

    • profile image

      Army 3 years ago

      This is sooo cool, I do like this recipe