Vegan Dollhouse - Mini Pop Tarts (vegan)

Ingredients

• 1 ½ cups (250g) frozen blueberries
• ½ cup (100g) raw, vegan, or organic sugar*
• 2 tablespoons (15g) organic cornstarch*
• 2 ½ cups (300g) flour (I use unbleached all-purpose)
• ⅔ cup (150g) vegan butter or margarine (I used organic whipped earth balance)*
• 2 tablespoons (14g) organic powdered sugar*
• 2-4 tablespoons (30-60g) of ice cold water
• vegan food coloring (optional)
• 2 cups (110g) organic powdered sugar, sifted*
• 1 teaspoon (4g) vanilla extract (optional)
• 1 tablespoon (14g) lemon juice
• 1 tablespoon (20g) organic corn syrup*