- butter as needed
- 2 egg yolks
- 2 eggs
- 3 tablespoons white sugar
- 3 1/2 ounces chopped dark chocolate
- 5 tablespoons butter
- 4 teaspoons unsweetened cocoa powder
- 3 tablespoons flour
- 1 pinch salt
- 1/8 teaspoon vanilla extract
- Generously butter the inside of 4 (5 1/2 ounce) ramekins. Place them in a casserole dish.
- Whisk together egg yolks, eggs, and sugar in a bowl until light, foamy, and lemon colored.
- Melt chocolate and butter in a microwave-safe bowl in 30-second intervals, stirring after each melting, 1 to 3 minutes.
- Stir melted chocolate mixture into egg and sugar mixture until combined.
- Sift cocoa powder into the mixture; stir to combine.
- Sift flour and salt into the mixture; stir to combine into a batter.
- Stir vanilla extract into the batter.
- Transfer batter to a resealable plastic bag. Snip one corner of the bag with scissors to create a tip.
- Divide batter evenly between the prepared ramekins; tap gently on the counter to remove any air bubbles.
- Refrigerate 30 minutes.
- Preheat an oven to 425 degrees F (220 degrees C).
- Arrange the ramekins in a casserole dish. Pour enough hot tap water into the casserole dish to reach halfway up the sides of the ramekins.
- Bake in the preheated over for 15-18 minutes. Set aside to cool for 15 minutes.
- Loosen the edges from the ramekin with a knife. Invert each cake onto a plate and dust with powdered sugar.