Chocolate Cake with butter

125 g dark cooking chocolate 175 g unsalted butter 75 g white sugar 75 g flour (any kind works, including rice or corn flour) 3 eggs 1 Melt butter and[...]

2 1/2 cups all-purpose flour 1 cup unsweetened Dutch-process cocoa 2 teaspoons baking powder 1/2 teaspoon salt 4 large eggs 1 1/2 cups sugar 1/3 cup[...]

1/2 cup butter 2 cups brown sugar 2 eggs 2 1/4 cups cake flour 1/4 teaspoon salt 1/2 cup buttermilk 1/2 cup boiling water 1 teaspoon baking soda 2 tablespoons[...]