Zucchini-apple crumble low sugar

 Filling 

740 g/ 5 cups zucchini peeled and large cube

340 g / 2 cups apples 

2-3 TB lemon juice 

1-2 tsp Cinnamon 

1/4 tsp Nutmeg 

1/4 tsp Cardamom 

2/3 c Monk fruit sweetener 

1/4 tsp xanthan gun

Crumble

1 cup pecans

1 cup almond flour

1/2 cup coconut flour or oats

3/4 cup monk fruit sweetener 

1/4 tsp salt kosher

1 tsp cinnamon added a bit cardamom as well 

1/2 cup butter ( used vegan butter)

Bake 350°f 45-50 minutes or until zucchini is tender