Gluten-Free Blackberry Crumble Pie - Oregon Raspberries & Blackberries

Ingredients

• 1 Tablespoon ground flaxseed + 3 Tbsp. water (or 1 organic egg)
• 1/2 Cup raw walnuts
• 2 Cups rolled oats
• 1/3 Cup pure maple syrup
• 1/4 Cup melted coconut oil
• 1/4 teaspoon sea salt
• 1/2 teaspoon vanilla extract
• 3 Cups frozen blackberries and raspberries
• 1/2 Tablespoon cornstarch or potato starch
• 2 Tablespoons coconut sugar