01 - Line a 12-cup muffin tin with paper liners or arrange silicone molds on a baking sheet.
02 - Combine graham cracker crumbs, sugar, and melted butter in a mixing bowl until the texture resembles wet sand. Press approximately 1 tablespoon of the mixture firmly into the bottom of each liner. Place the tin in the refrigerator to set while preparing the filling.
03 - Beat the softened cream cheese in a large bowl until completely smooth and free of lumps. Add powdered sugar, vanilla extract, lemon zest, and ground lavender, then mix until fully incorporated and fragrant.
04 - In a separate chilled bowl, whip the heavy cream to stiff peaks. Gently fold the whipped cream into the cream cheese mixture in two additions, maintaining as much air as possible until the filling is light and fluffy.
05 - Spoon or pipe the filling evenly over the chilled crusts, dividing it among all 12 cups. Smooth the surface with a small spatula or the back of a spoon.
06 - Cover the muffin tin with plastic wrap and refrigerate for at least 4 hours, or until the filling is firm and set throughout.
07 - Combine fresh blackberries, sugar, and lemon juice in a small saucepan over medium heat. Cook for about 5 minutes, stirring frequently and gently mashing the berries, until the mixture reduces to a syrupy consistency. Remove from heat and let cool completely.
08 - Spoon the cooled blackberry compote over each mini cheesecake. Garnish with a sprig of fresh lavender or a whole blackberry if desired, then serve immediately.