1. Preheat the oven to 350°F. Line the bottom of a 9-inch springform pan with parchment paper.
2. Place chocolate and butter into the bowl fitted with the kneading/crushing blade. Launch at speed 3 at 110°F for 10 minutes.
3. Add the eggs, sugar, ground almonds and baking powder. Launch the P3 pastry program.
4. At the end of the program, pour the mixture into the pan and bake for 20-30 minutes or until top is set, but center jiggles. Cool in the pan for 10 minutes. Run a knife around the edge of the pan to loosen. Cool for another 20-30 minutes. Serve warm or cool.