Preheat the oven to 350 degrees Fahrenheit & grease a 8x8 inch baking pan oil.
In a standing mixer add butter, sugar, and sweetener and mix to combine.
Add the eggs & vanilla bean paste and process to mix together.
Next, add the flour, baking powder, cocoa powder and mix to combine.
Using a spatula, scrape the batter into the baking pan.
Place the pan into the oven and bake for 30 minutes.
Once the brownies are done baking, remove them from the oven and allow them to cool for 20 minutes before slicing into 12 brownies.