Tarts – Brownie Mischief

Ingredients

• 2 ¾ cups (351g) all purpose flour
• 1 tablespoon (14g) sugar
• ½ teaspoon fine sea salt
• ¼ cup (46g) vegetable shortening
• ¾ cup (170g) cold, unsalted butter, cubed
• ½ cup (118ml) ice water
• 1 tablespoon (15ml) apple cider vinegar
• 2 ½ cups (312-340g) blueberries, fresh or frozen, divided
• 1 teaspoon lemon juice
• 6 tablespoons (75g) sugar
• 4 teaspoons (13g) cornstarch
• 1 dash fine sea salt
• ½ teaspoon pure vanila extract
• 1 ½ cups (180g) powdered sugar, sifted
• 1 ½ tablespoons (21g) unsalted butter, melted
• 2-3 tablespoons (30-45ml) milk
• ½ teaspoon pure vanilla extract
• 1 tablespoon (11g) chopped semisweet chocolate or mini chocolate chips, melted