Gluten Free Apple Date Coffee Cake

Name: Gluten Free Apple Date Coffee Cake
Prep time: 5 min
Cook time: 1 h
Total time: 1 h
Yield: 8 portions
Ingredients: butter, unsalted; 200 g quinoa, white; 100 g chia seeds; 300 g cornstarch; 115 g brown sugar; 2 tbsp butter, unsalted; 1 tsp cinnamon, ground; ¼ tsp salt; 1 pinch ginger, dried, ground; 1 pinch nutmeg, ground; 30 g pecan nuts, chopped; 85 g dried dates, pitted; 225 g apples; 170 g plain yogurt; 60 g vegetable oil; 85 g brown sugar; 1 tsp vanilla extract, natural; 2 eggs, large; ½ tsp xanthan gum; 1 tsp baking powder; ½ tsp baking soda; ½ tsp salt; 1 pinch nutmeg, ground