• Pre-heat oven to 450 F
• Place first three ingredients into a food processor with the steel blade
• Add frozen butter in even chunks
• Process three to four times, quickly, until the fat looks like flat oatmeal or, the butter is about the size of peas
• Incorporate the liquid gently, until mixture just comes together; do not overwork this dough, or the biscuits will be tough
• Roll dough between parchment paper about 2 inches thick; cut into desired shapes
• Bake at 450 F for 12 to15 minutes until golden on the bottom and lightly golden on the top

Instructions for the Thermomix:

• Pre-heat oven to 450 F
• Scale first three ingredients into the TM bowl; combine for 5 seconds at speed 2
• Scale cubed butter into TM bowl; pulse on turbo 3 times for 1 second each until the fat looks like flat oatmeal or, the butter is about the size of peas
• Scale the buttermilk into the TM bowl; mix to just combine at speed 0-5 for 6 seconds
• Knead for 30 seconds; remove from bowl and place on lightly floured surface
• Roll dough between parchment paper about 2 inches thick; cut into desired shapes
• Bake at 450 F for 12 to15 minutes until golden on the bottom and lightly golden on the top