Berry Crisp

Name: Berry Crisp
Cuisine: World Cuisine
Ingredients: 8 cups berries; 2 Tbsp arrowroot starch; 1/4 cup agave or maple syrup, may need more; 1 Tbsp lemon juice; 2 cups oats; 2 cups oat flour; 2/3 cup coconut or cane sugar; 1 tsp vanilla extract; 1/2 tsp salt; 1 cup margarine melted; 9x13 baking dish; mixing bowl