Blueberry Pie Bars with Oatmeal Crumble (vegan and gluten free!)

INGREDIENTS

2 1/2

heaping cups Blueberries, frozen

1 cup

Rolled oats, old-fashioned

6 tbsp

Butter or vegan buttery stick

3 tbsp

Maple syrup, pure

3/8 tsp

Almond extract

1/4 tsp

Baking soda

1/2 cup

Brown sugar, packed

1/2 tsp

Cinnamon, ground

1 tbsp

Cornstarch or arrowroot starch

1 1/2 cups

Gluten free oat flour

1/4 tsp

Salt

1 pinch

Salt

1 tsp

Vanilla extract