01 - Preheat oven to 425°F. Line a baking sheet with parchment paper.
02 - In a large bowl, whisk together flour, sugar, baking powder, baking soda, and salt.
03 - Cut in cold butter using a pastry cutter or fingertips until the mixture resembles coarse crumbs.
04 - Stir in buttermilk and vanilla just until combined; do not overmix.
05 - Drop 6 equal mounds onto the prepared baking sheet. Bake 12–15 minutes, until golden. Cool completely.
06 - Combine strawberries, sugar, and lemon juice in a bowl. Toss and let sit for at least 10 minutes to macerate.
07 - Using a hand mixer, beat heavy cream, powdered sugar, and vanilla until soft peaks form.
08 - Break each shortcake into bite-sized chunks. Layer in serving cups: shortcake pieces, a generous spoonful of strawberries, then whipped cream. Repeat layers as desired, ending with whipped cream and a strawberry garnish.