01 -
Mix blueberries, lemon juice, and cornstarch in saucepan. Cook until thick, crushing berries while stirring.
02 -
Push cooked berry mixture through strainer, scraping bottom to collect smooth puree. Set aside.
03 -
Line 8x8 pan with parchment paper, leaving overhang. Lightly grease.
04 -
Melt white chocolate, condensed milk, butter and salt in double boiler until smooth, about 10 minutes.
05 -
Fold in most of blueberry filling, leaving some for topping. Don't overmix.
06 -
Pour into pan, add remaining filling on top, swirl with toothpick. Refrigerate 2 hours.