Microwave the chocolate and the butter for 2 minutes until the butter melts. Stir the mixture with a large wooden spoon until the chocolate melts and mixture becomes smooth.
Stir in sugar, eggs, and vanilla. Stir in flour. Mix until the batter is relatively smooth.
Pour the brownie batter into a greased 9 x 13 pan. Bake the brownies for about 20 minutes.
The nutrition information provided are only estimates based on an online nutritional calculator. This is not a comprehensive list of all the nutrients in the recipe (i.e., does not include vitamins, cholesterol, etc). I am not a certified nutritionist. Please consult a nutritionist or doctor for accurate information and any dietary restrictions and concerns you may have.