Blueberry Crumble Pie Gelson's

Ingredients

• 5 ½ cups fresh blueberries
• ½ cup granulated sugar
• ⅓ cup all-purpose flour
• 1 Tbsp cornstarch
• 2 tsp lemon zest
• 1 Tbsp freshly squeezed lemon juice
• 1 disc pie dough
• ½ cup packed brown sugar
• 6 Tbsp all-purpose flour
• 1 tsp Gelson’s ground cinnamon
• 6 Tbsp unsalted butter, cold, diced
• ⅔ cup old-fashioned rolled oats