.First you’ll want to pre-heat your oven to 350. Grease the bottom of an 8×8 pan, or spray with non stick cooking spray.

Next we’re going to make the brownie layer. Cream together your sugar, butter and vanilla until well blended.

Now add in your eggs one at a time, mix until well incorporated.

Add in your flour, cocoa powder, baking soda and salt, mix until smooth.

Now pour your brownie batter into your prepared pan.

Next we’ll make the peanut butter mixture. Blend together your peanut butter and sugar, add in the vanilla and then the egg. Mix until everything is well incorporated.

Drop your peanut butter mixture in spoonfuls onto your brownie mixture and then swirl through with a butter knife.

Now sprinkle the chocolate chips evenly over the top and pop them into the oven for 25-30 minutes.

Let them cool and cut into 9 brownies