Blueberry Betty Recipe

Ingredients

• 4 cups fresh blueberries (washed and drained)
• 1/2 cup granulated sugar
• 1 tablespoon lemon juice (freshly squeezed)
• 1 teaspoon lemon zest (optional for extra brightness)
• 1 tablespoon cornstarch
• 3/4 teaspoon ground cinnamon (divided between filling & topping)
• 1 cup all-purpose flour
• 1 cup old-fashioned rolled oats
• 1/2 cup packed brown sugar
• 1/2 teaspoon baking powder
• 1/4 teaspoon salt
• 1/2 cup unsalted butter (cold, cut into small cubes)