Blueberry Crumb Pie Recipe

Ingredients

• 1 (9 inch) refrigerated rolled pie pastry
• 0.75 cup white sugar
• 0.33333334326744 cup all-purpose flour
• 1 tablespoon lemon juice
• 2 teaspoons grated lemon zest
• 5 cups fresh blueberries
• 0.75 cup rolled oats
• 0.66666668653488 cup packed brown sugar
• 0.5 cup all-purpose flour
• 0.5 teaspoon ground cinnamon
• 6 tablespoons cold unsalted butter, cut into pieces