01 -
Preheat oven to 350°F (175°C). Grease and line a sheet cake pan.
02 -
In a bowl, whisk together flour, baking powder, and salt.
03 -
In a separate bowl, cream butter and sugar until light and fluffy. Add eggs one at a time, then stir in vanilla.
04 -
Gradually add dry ingredients, alternating with milk, and mix until smooth.
05 -
Pour batter into the prepared pan and bake for 20–25 minutes. Let cool completely.
06 -
In a saucepan, heat blueberries, sugar, lemon juice, and cornstarch over medium heat until thick. Cool completely.
07 -
Cut cooled cake into mini rounds or heart shapes.
08 -
Spread blueberry filling between two layers to form cake sandwiches.
09 -
Mix powdered sugar with lavender-infused milk and food coloring (if using) until smooth.
10 -
Pour glaze over each mini cake. Garnish with blueberries, mint, lavender buds, and sprinkles.