In a bowl mix the dry ingredients: flours, starch, sugar, baking soda, cream of tartar and mix well (you can also blend them a couple of minutes if you want)
In another bowl whisk well together the yogurt, the milk and the oil
Add the liquid part to the dry ingredients and mix everything with a spoon first, than with you hands, squeezing all the ingredients together, then kneading the dough until it's compact and uniform
Place it in a bowl, cover it and refrigerate for 30 minutes
In the meantime cut the apples into small pieces and in a pan mix them with the sugar (optional) and the cinnamon powder, cooking at low/medium heat untile the apple is very soft
Pre-heat the oven at 180° C / 350 F
Put the dough between two big pieces of parchment paper and roll the dough out into a rectangle, half centimeter thick
Remove the top piece of the parchment paper, spread the apple compote all over the rolled out dough, then slowly and carefully roll it up along the longer side (use the bottom piece of parchment paper to help you roll the dough)
With a thin knife cut the roll into rolls of the same size and place them on a greased baking pan
Bake for 30 minutes
Once out of the oven, prepare the glaze mixing the sugar, the cinnamon poweder and add the plant-based milk one teaspoon at a time untile you have a not to thick glaze, that you will pour over the cinnamon rolls before serving
Serve these gluten free vegan cinnamon rolls warm. You can add vanilla ice-cream and chopped almonds on top too