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Easy Double Chocolate Rock Cakes are a twist on a British classic | BakeThenEat.com
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Easy Double Chocolate Rock Cakes

Easy Double Chocolate Rock Cakes are a twist on the classic British treat. Simple sweet chocolaty treat that goes perfectly with a cup of tea.
Prep Time10 mins
Cook Time15 mins
Total Time25 mins
Course: Cake
Cuisine: British
Servings: 10 cakes
Calories: 255kcal
Author: Emma


  • 195 grams plain / all purpose flour 1 and 1/2 cups
  • 30 grams cocoa powder 2/8 cup
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • ½ teaspoon salt
  • 125 grams unsalted butter 1 stick + 1 tablespoon
  • 75 grams granulated sugar 3/8 cup
  • 100 grams dark (semi-sweet chocolate chips ) 1/2 cup
  • 1 large egg - lightly beaten
  • 2 - 4 tablespoons milk


  • Preheat your oven to 200C / 400F / Gas mark 6 and line a large baking sheet with baking parchment or use a silicone baking mat and place to one side.
  • In a large mixing bowl add in the flour, cocoa powder, baking powder, baking soda and salt and give a little mix to combine everything.
  • Rub the butter into the flour mix until it looks like fine breadcrumbs. Or use a food processor for quickness if you want.
  • Add in the sugar and chocolate chips and give a little stir to mix it all together.
  • Pour in the lightly beaten egg and gently stir to bring it all together. Add in the milk a little at a time, you just need enough to bring the mixture together. You don't want it to be a super sticky dough.
  • Scoop out the mixture into 10 equal sizes onto your baking sheet, the beauty of these rock cakes is they are not meant to be exact and perfect looking.
  • Sprinkle a little sugar on top if you like an extra little crunch and pop them in your hot oven for 15 to 20 minutes.
  • Check on them after 15 minutes, they should sound a little hollow if tapped on the bottom.
  • Transfer them to a wire rack to fully cool down.
  • These rock cakes freeze well for up to 2 months and kept in an airtight tin they will keep at room temperature for 5 days.


Serving: 1cake | Calories: 255kcal | Carbohydrates: 30.2g | Protein: 4.1g | Fat: 14.9g | Saturated Fat: 9g | Cholesterol: 46mg | Sodium: 324mg | Fiber: 2.1g | Sugar: 12.1g