Knead all ingredients to a smooth dough and let it rise in a warm place until the size of the dough doubles.
Boil quinoa with milk, sugar and vanilla syrup. Remove the pot from the heat and leave until quinoa is done. When the quinoa is cooked, put the pot back on the stove. Heat milk. Mix starch with a little water and add this to the quinoa. Heat again until the consistency is like rice pudding.
Hull and cut strawberries into slices.
Preheat oven to 150 ° C.
Roll out dough. Spread quinoa, cinnamon powder and strawberry slices on top and roll up. Cut into pieces and place the cut side down in a buttered form. Cover the baking pan and let the dough rise again for 30 minutes at a warm place. Then bake for 25 - 30 minutes.
Mix Cream cheese with milk and some icing sugar until smooth and spread over the buns. Sprinkle with cinnamon and brown sugar.