Blueberry Crumb Bars - dgratis.info

Ingredients

• 3 cups (390g) all-purpose flour (spoon and level)
• 1/2 cup (100g) granulated sugar
• 1/2 cup (100g) brown sugar
• 1 tsp baking powder
• 1/4 tsp salt
• 1 large egg
• 1 1/2 tsp vanilla extract
• 1 cup (226g) unsalted butter, chilled and cut into cubes
• 1 Tbsp (9g) cornstarch
• 1 1/2 Tbsp (22ml) lemon juice
• 4 cups (538g) fresh blueberries, at room temperature