Step 1

Preheat oven to 350 degrees. Spray an 8” X 8" baking pan with nonstick spray.

Step 2

In a medium-large bowl, mix 3/4 cup powdered peanut butter with cocoa powder, sweetener, and salt.

Step 3

In a medium microwave-safe bowl, microwave butter for 30 seconds, or until melted. Add egg and 1/4 cup water. Stir until uniform. Add mixture to the medium-large bowl, and mix until uniform. (Batter will be thick.)

Step 4

Transfer to the baking pan, and smooth out the top.

Step 5

In a small bowl, mix remaining 1/4 cup powdered peanut butter with 3 tbsp. water until smooth and uniform. Add creamy peanut butter, and stir until uniform.

Step 6

Spoon peanut butter mixture onto brownie batter, and swirl with a knife.

Step 7

Bake until a toothpick or knife inserted into the center comes out mostly clean, 25 - 30 minutes.

Step 8

Let cool completely, about 1 hour.