For Valentine's Day, you surely have some surprises ... Let it cool before unmolding. Cut the cake into slices, and using the heart-shaped cookie cutter, cut out the desired pattern from each ...

Preheat oven to 175 degrees C (350 degrees F). Grease a cake tin. In a bowl, mix flour, cocoa, salt, and baking soda. Pour batter into the tin. Bake for 25-30 minutes until a toothpick comes out clean ...