Step 1: Heat-Treat the Flour - Spread flour on a baking sheet and bake at 350°F (175°C) for about 5 minutes. Let it cool.
Step 2: Cream the Butter and Sugar - In a mixing bowl, beat the softened butter and brown sugar until light and fluffy.
Step 3: Add the Wet Ingredients - Mix in half-and-half and vanilla extract until well combined.
Step 4: Incorporate the Flour - Gradually add heat-treated flour, mixing until just combined.
Step 5: Fold in the Oreos - Gently fold chopped Oreos into the dough.
Step 6: Chill and Serve - Chill dough for 30 minutes before serving. Enjoy!
