Fresh Blueberry Cake

INGREDIENTS

Unsalted butter, at room temperature, for greasing the pans

All-purpose flour, for dusting the pans

4 cups

dry CAKE MAGIC! CAKE MIX (see below)* , whisked well before measuring

1 tsp

baking powder

1/2 cup

full-fat plain yogurt (preferably not Greek yogurt)**

1 cup

unsalted butter, melted and cooled, or 1 cup vegetable oil

1/4 cup

water

large eggs, at room temperature

1 cup

pureed fresh blueberries

1/2 cup

granulated sugar

1/2 cup

water

salt

1 tbsp

pure vanilla extract OR the seeds scraped from 1 split vanilla bean

1 cup

unsalted butter, at room temperature

3 oz

cream cheese, at room temperature

salt

4 cups

(one 16-ounce box) confectioners' sugar

1/2 tsp

pure vanilla extract

1 tsp

baking powder