Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper.
In a mixing bowl, whisk together the gluten-free flour, sugar, baking powder, and salt.
Cut in the cold butter until the mixture resembles coarse crumbs.
Gently fold in the strawberries and chocolate chips.
In a small bowl, whisk together the buttermilk and vanilla extract. Add to the dry ingredients and stir until just combined.
Turn the dough out onto a floured surface and gently knead a few times. Pat into a circle about 1-inch thick. Cut into 8 wedges and place on the prepared baking sheet.
Bake for 18-20 minutes, or until golden brown. Cool on a wire rack.