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1
Position rack in the center of the oven and preheat to 375F (190C).
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2
Into a large bowl, sift the flour, sugars, baking powder, baking soda, and salt.
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3
Add oatmeal and mix together.
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4
Distribute the butter cubes over the flour mixture.
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5
Using your fingertips, quickly rub the butter cutes into the flour mixture, until the mixture resembles coarse meal.
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6
In a medium bowl, stir together the buttermilk, egg, vanilla, and zest.
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7
Add the liquid mixture to the flour mixture.
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8
With a large rubber spatula, using as few strokes as possible, stir gently until the dough is moistened and begins to cling together.
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9
Handling the dough as little as possible, stir until all the ingredients are completely combined.
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10
Using a 13 cup measuring cup, drop the dough onto an ungreased baking sheet, leaving at least 1-inch between the scones.
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11
Bake 16 to 18 minutes, until the scones are golden brown.
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12
Cool the scones on the baking sheet set on a wire rack for 5 minutes.
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13
Using a metal spatula, transfer the scones to the wire rack and cool completely.
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14
Serve warm or store completely cooled scones in an airtight container at room temperature.
