Preheat the Oven: Set the oven to 400°F (200°C) and line a baking sheet with parchment paper.
Prepare the Shortcake Dough: Whisk flour, sugar, lemon zest, baking powder, and salt in a large bowl.
Incorporate Butter: Cut in the butter until the mixture looks like coarse crumbs.
Add Buttermilk: Pour in buttermilk and mix until a sticky dough forms.
Shape and Bake: Drop spoonfuls of dough onto the baking sheet to make eight rounds. Bake for 18-20 minutes or until golden.
Prepare Strawberries: Toss sliced strawberries with honey and set aside to macerate for 15 minutes.
Whip Coffee Chantilly Cream: Beat heavy cream, powdered sugar, and espresso powder until soft peaks form.
Assemble the Shortcakes: Slice each shortcake in half. Layer with strawberries and top with a generous dollop of coffee Chantilly cream.