• Preheat oven to 350F.
• Line square pan with aluminum foil sprayed with cooking spray

Crumble Topping & Crust

• Melt coconut oil or butter in microwave in large bowl.
• Remove bowl from microwave and add the flour, oats, sugar, and salt. Stir to combine until mixture is crumbly.
• Reserve 1 cup of mixture for crumble topping.
• Place remainder of mixture in pan and press into pan to create a flat packed crust. You can use your hands or a spatula.

Blueberry Filling

• Using mixing bowl from topping, add all ingredients and stir to combine.
• Spread mixture over the crust.
• Sprinkle reserved crumble topping mixture on top of filling.
• Bake for 55 minutes, or until edges are a slight golden brown and filling is set.
• If you decide to use fresh blueberries the bake time will be less by about 10-15 minutes. Let your nose be your guide.
• Remove pan from oven when done and cool on a wire rack.
• Let bars cool for about half an hour before cutting or else they'll fall apart.