Preheat oven to 350 degrees.

Grab a large bowl and pour in the melted butter. Add the sugar and cocoa powder to the butter and mix it up until it’s all combined. Then add your eggs and vanilla to the mixture. Give it another good mixing with a wooden spoon, making sure everything is combined.

Now get yourself a small mixing bowl. Add the remaining dry ingredients, and whisk them together. Add the whisked-together dry ingredients and milk alternately to the chocolate mixture, beating (or whisking) after each addition, making sure the batter ends up smooth and not lumpy.

Pour your smooth batter into a greased 9×13 baking dish. Spoon lines of caramel sauce lengthwise on top of the batter in 4 to 5 rows. Carefully, cut the caramel sauce in with a butter knife lengthwise and widthwise like a swirly work of edible art.

Put the work of art… I mean cake, in your preheated oven and bake for 15-18 minutes or until a toothpick comes out clean.

Take the cake out of the oven and let it set for 10-15 minutes before serving. Enjoy!