How to make
Get a deep bowl, which you'll use to prepare the mixture. First, beat the eggs and add the sugar. Beat them with a mixer and then add the oil.
Gradually pour the milk and add the baking soda and baking powder. When the mixture is well beaten, add the flour and vanilla.
When the dough is ready, get cream caramel suitable cups and add a little butter and flour in each one. Then add some of the mixture in them. Add a cube of chocolate and fill the cup with the mixture, but not to the top.
That's what we need to do with all the cups. Place the muffins in a pan and bake until done. Very delicious!