Preheat the oven to 350 degrees F (175 degrees C). Grease a 9x13 inch baking pan.
In a medium saucepan, melt the butter over medium heat. Remove from heat and stir in the sugar.
Beat in the eggs and vanilla extract. In a separate bowl, sift together the cocoa powder, baking powder, and salt. Gradually stir the dry ingredients into the wet ingredients.
Stir in the flour and cayenne pepper. Spread the batter evenly into the prepared pan.
Bake for 25 to 30 minutes, or until a toothpick inserted into the center comes out clean. Allow to cool before cutting into bars.
Interesting Facts
Texas-style brownies originated in the United States in the early 1900s.
The addition of cayenne pepper gives these brownies a subtle kick.
These brownies are perfect for any occasion, from potlucks to birthday parties.