To heat treat the flour in the oven spread the flour in an even layer on a parchment lined baking tray. Bake for 6-7 minutes at 350°F (180°C) keeping a close eye on it so that it doesn't burn. As soon as it comes out of the oven, use an instant read thermometer to check the internal temperature of the flour. It should read 160°F (72°C) or above.
To heat treat the flour in the microwave add the flour to a microwave safe bowl and microwave on high for 1 and ½ minutes (90 seconds). Check the internal temperature of the flour with an instant read thermometer immediately after removing it from the microwave. The temperature should read 160°F (72°C) or above.
Let the flour cool completely and then sift it to remove any lumps that formed in the heating process.
Add the heat treated flour to a mixing bowl, sift in the cocoa powder and then add the salt. Mix together.
Add butter and ½ cup chocolate chips to a microwave safe bowl. Microwave in 30-second intervals bringing it out to stir every 30-seconds until melted.
Add light brown sugar, milk and vanilla extract to the melted butter and chocolate chips and whisk it in until smooth.
Add the wet ingredients to the dry and mix into a thick batter.
Add chocolate chips and fold them in.
Your edible brownie batter is ready to serve! If you want to scoop it, then let it firm up in the fridge before scooping.