How to make Coffee Cake (no egg and gluten)

#coffecake #breakfastcake
Here is a healthy recipe for baking moist and gluten-free coffee cake.

Ingredients:
Cake:
1.5 cups oat flour (150g)
1/2 cup rice flour (75g)
1 tsp baking powder
1/2 tsp baking soda
1/2 tsp salt
1/4 cup maple syrup or agave (60ml)
1/2 cup unsweetened applesauce (130g)
2 Flax eggs
2 tsp vanilla extract
1 cup Greek yogurt (230g)

Cinnamon filling:
1/4 cup coconut sugar (or brown sugar) (50g)
1 tbsp cinnamon powder
1 tsp cocoa powder

Crumble topping:
1/2 cup chopped walnuts (50g)
1/2 cup oats (50g)
1 tsp cinnamon powder
2 tbsp coconut oil
1 tbsp maple syrup or agave