Salted Caramel Coffee Cake (Gluten Free, Dairy Free, Refined Sugar Free)

Name: Salted Caramel Coffee Cake (Gluten Free, Dairy Free, Refined Sugar Free)
Prep time: 15 min
Cook time: 35 min
Total time: 50 min
Cuisine: American
Ingredients: 2 cups all purpose GF Flour Blend (such as King Arther); 3/4 cup coconut sugar; 1 1/2 tsp baking powder; 1/2 tsp baking soda; 1/2 tsp ground cinnamon; 1/2 tsp Kosher salt; 3/4 cup unsweetened coconut yogurt; 1/2 cup coconut oil, melted and cooled; 2 large eggs, at room temperature; 1 tsp vanilla extract; 1/3 cup all purpose GF flour blend; 1/4 cup coconut sugar; 1 tsp ground cinnamon; 1/2 cup walnuts, chopped; 2 tbsp coconut oil, room temperature; 1/2 cup full fat coconut milk; 1 tsp arrowroot starch or cornstarch; 1/3 cup coconut sugar; 1/2 tsp sea salt