Preheat the oven to 350° and generously butter an 8 x 8 inch pan, or equivalent. [see notes]
Melt the butter in a 2 or 3 quart saucepan on a low flame, or in a medium glass bowl in the microwave.
Remove the butter from the heat and stir in the brown sugar and molasses.
Stir in the cocoa. I prefer a wooden spoon for this. Combine until very smooth.
One at a time, mix in the eggs, combining thoroughly.
Stir in Vanilla
Whisk together the dry ingredients.
Stir the dry ingredients into the chocolate mixture, just until combined. Do not overmix.
Spread the batter evenly in the prepared pan.
Bake in the oven for about 20 to 25 minutes. When you insert a toothpick to test to see if they are done, there should be some moist crumbs on it – don’t bake till the toothpick comes out clean or they will be too done.
Remove pan from oven and place on a cooling rack.
Immediately, sprinkle on the cocolate chips. In a couple minutes they will melt and get shiny - spread the melted chips evenly over the brownies.
You can cut and serve them warm in 10 to 15 minutes, or let them cool completely and then cut. Store tightly covered for a couple days on the counter, or up to a week in the refrigerator.