Blueberry Lemon Crumble Bars

Ingredients

• 3 cups fresh blueberries 750 mL
• 1/2 cup sugar 125 mL
• 1 lemon, zested and juiced
• 1 tbsp cornstarch 15 mL
• 2 1/2 cups large flake oats 625 mL
• 1 1/4 cups all-purpose flour 300 mL
• 1 cup lightly packed brown sugar 250 mL
• 1/4 tsp salt 1 mL
• 1 1/2 sticks (3/4 cup) Churned Salted Butter Sticks, cubed 175 mL