Blackberry Ginger Pie

Ingredients

• 1 ¼ cups all-purpose flour, sifted or
• King Arthur Gluten-free Measure for Measure Flour
• Pinch of salt
• 8 Tablespoons of chilled butter, cut into 1/2-inch cubes
• ¼ cup ice water, plus more as needed
• ½ cup white sugar
• ½ cup brown sugar
• 2 1/3 Tablespoons corn starch
• 2 Tablespoons
• Rocky Mountain Olive Oil Blackberry Ginger Dark Balsamic Vinegar
• 4 ½ cups fresh blackberries
• Zest of one lime
• 1 cup old fashioned oats
• 1 cup chopped walnuts
• ½ cups all-purpose flour or
• ½ cups brown sugar
• 1 teaspoon salt
• 6 Tablespoons butter, chilled and cut into small pieces