Preheat oven to 425°F and thoroughly greasy 4 ramekins
In a double boiler, melt the chocolate chips and cubed butter.
Beat eggs and sugar, and add chocolate mixture, flour cocoa powder and salt. Mix until combined.
Bake until the sides are cooked but the middle is jiggly - 10-14 minutes. Allow to cool for 5 minutes. Don't over cook or you will end up with mini chocolate cakes, no lava.
Serve on a plate with powdered sugar sifted over top and caramel sauce.
Enjoy one of the most exciting desserts to have been invented.