Preheat oven to 350 degrees.
Mix flours, salt, 1 teaspoon cinnamon, nutmeg, and walnuts in medium bowl.
Mix coconut oil, 3 tablespoons coconut nectar, and vanilla in a separate bowl.
Stir wet ingredients into dry, then combine ingredients with hands to create crumbly mixture.
Grease 8x11 inch casserole dish.
Mix apples, 3 more tablespoons coconut nectar, and 1 teaspoon cinnamon together in bowl.
Arrange apple mixture in baking dish.
Crumble topping over apples.
Bake 18-20 minutes until dish is fragrant and top is brown.
Serve warm.