INSTRUCTIONS:
1st Step
Prepare your oven to 425°F (220°C) and line a baking sheet with parchment paper.
2nd Step
Mix Dry Ingredients: In a large mixing bowl, combine the all-purpose flour, granulated sugar, baking powder, baking soda, and salt. Mix them together until well combined.
3rd Step
Incorporate the Butter: Add the cold, cubed butter to the dry ingredients, then work the butter into the flour mixture until it resembles coarse crumbs.
4th Step
Add Blueberries and Wet Ingredients: Gently fold in the fresh blueberries, buttermilk, vanilla extract, and lemon zest (if using). Mix until just combined; be careful not to overmix, as this can make the biscuits tough.
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