Preheat the Oven: Set the oven to 400°F (200°C) and line a baking sheet with parchment paper.
Mix Dry Ingredients: In a bowl, whisk flour, sugar, baking powder, baking soda, and salt until evenly combined.
Incorporate Butter: Cut in the butter until the mixture resembles coarse crumbs.
Add Wet Ingredients: Stir in buttermilk and vanilla extract until a soft dough forms.
Shape and Bake: Drop spoonfuls of dough onto the baking sheet to form ten rounds. Bake for 18-20 minutes until golden.
Prepare Strawberries: Toss the sliced strawberries with honey and let them macerate for 15 minutes.
Whip Coffee Mascarpone Cream: Beat mascarpone, heavy cream, powdered sugar, and espresso powder until soft peaks form.
Assemble: Slice each shortcake in half, layer with strawberries, and generously dollop the coffee mascarpone cream on top.