### Fluffy Blueberry Biscuits Recipe

#### Description
Delight in these fluffy and buttery blueberry biscuits, perfect for breakfast or a sweet snack. Bursting with fresh blueberries and a hint of lemon zest, they are easy to make and sure to impress!

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#### Ingredients
– **Dry Ingredients:**
– 2 cups all-purpose flour
– 1 tablespoon baking powder
– 1/2 teaspoon baking soda
– 1/2 teaspoon salt
– 1/4 cup granulated sugar

– **Wet Ingredients:**
– 1/2 cup unsalted butter, cold and cubed
– 1 cup fresh blueberries (or frozen, if fresh are not available)
– 3/4 cup buttermilk
– 1 teaspoon vanilla extract
– 1 tablespoon lemon zest (optional, for added flavor)

– **For Finishing:**
– 1 tablespoon milk (for brushing on top)
– Additional sugar for sprinkling on top (optional)

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#### Instructions
1. **Preheat the Oven**: Preheat your oven to 425°F (220°C).
2. **Mix Dry Ingredients**: In a large mixing bowl, whisk together flour, baking powder, baking soda, salt, and granulated sugar until well blended.
3. **Cut in the Butter**: Add the cold, cubed butter to the dry mixture. Use a pastry cutter or your fingers to work the butter into the flour until it resembles coarse crumbs.
4. **Add Blueberries**: Gently fold in the fresh blueberries (no need to thaw if using frozen). Be careful not to overmix.
5. **Combine Wet Ingredients**: In a separate bowl, whisk together buttermilk, vanilla extract, and lemon zest (if using).
6. **Mix Wet and Dry Ingredients**: Pour the wet mixture into the dry ingredients and stir gently until just combined. The dough will be slightly sticky.
7. **Flour Your Surface**: Lightly flour your work surface and turn the dough out onto it.
8. **Knead the Dough**: Gently knead the dough a few times (about 5-6 folds) to bring it together.
9. **Roll Out the Dough**: Roll the dough out to about 1-inch thickness, adding more flour if it’s too sticky.
10. **Cut the Biscuits**: Use a biscuit cutter or glass to cut out rounds and place them on a greased or parchment-lined skillet.
11. **Brush with Milk**: Brush the tops of the biscuits with milk and sprinkle with additional sugar if desired.
12. **Bake the Biscuits**: Bake in the preheated oven for 15-20 minutes, or until golden brown.
13. **Check for Doneness**: Insert a toothpick into the center of a biscuit; if it comes out clean, they are done.
14. **Cool Slightly**: Remove from the oven and let cool in the skillet for about 5 minutes.
15. **Serve Warm**: Serve warm with butter, honey, maple syrup, or whipped cream.

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#### Notes
– For best results, use cold butter and avoid overmixing the dough to ensure flaky biscuits.
– Feel free to substitute other berries or add nuts for variation.

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#### Prep Time
15 minutes

#### Cook Time
15-20 minutes

#### Total Time
30-35 minutes

#### Yield
12 biscuits