Step 1

Preheat oven to 340 degrees F. Butter and flour three 6-inch pans. I use damp cake strips on my pans for more even baking as well.

Step 2

Sift the dry ingredients including the sugar together in a large bowl.

Step 3

Beat the wet ingredients together in a medium bowl.

Step 4

In a small bowl, add blueberries and lemon zest. Coat with about 1-2 tbsp flour.

Step 5

Add the wet to the dry and mix until just combined. Fold in blueberry/lemon zest at the very end and mix until just combined.

Step 6

Divide the mixture evenly into the cake pans.

Step 7

Bake at for about 30 minutes or until the centers are springy to the touch.

Step 8

Put ½ cup of blueberries in the freezer.

Step 9

In a small saucepan over medium-low heat, combine 1 cup blueberries, 1 tbsp lemon juice, 1 tbsp water and 1 tbsp granulated sugar. Mash and stir for a minute then reduce to a simmer. Simmer until reduced by half then strain into a small bowl to chill.

Step 10

Cream the butter in a stand mixer then sift In the confectioners' sugar in a few batches, Scrape the bowl down and mix once more until lighter in color and homogenous.

Step 11

Add lemon juice a tbsp at a time until a desired consistency and taste is reached.

Step 12

Transfer about 1/2-3/4 cup to a small bowl and mix in blueberry reduction a tablespoon at a time and mix or until you reach a desired flavor.

Step 13

Transfer blueberry buttercream and around the same amount of lemon vanilla buttercream to piping bags. Snip off the tips of both. Add both bags to one piping bag and snip off the tip.

Step 14

Transfer the rest of the lemon buttercream to a piping bag.

Step 15

Pipe blueberry/vanilla buttercream between each layer. Add a thick ting of lemon buttercream to the edge

Step 16

Pipe the plain lemon around the sides and smooth for a naked crumb coat. Scrape the sides and smooth cake for a naked look.

Step 17

Using an large closed star (846 tip), pipe a circle of dollops about 1 inch from the edge of the cake.

Step 18

Add frozen blueberries to the inside of the circle.