These look so tempting, I have never heard of sourdough …

Name: Chocolate Sourdough Cupcakes
Prep time: 20 min
Cook time: PT-483020H20S
Total time: PT-483020H20S
Cuisine: Gluten-Free
Ingredients: 1 cup freshly milled GF oat flour (100g)*; 1 cup sweet sorghum flour (100g)*; 1 cup homemade hemp milk (235g)**; 3/4 cup GF brown rice sourdough starter, fed/active (215g)**; 1 thin dark chocolate bar (80g)***; 1/2 cup boiling water; 1/2 cup potato flakes (25g)****; 1 cup coconut palm sugar (140g); 1/4 cup (4 tablespoons) coconut oil, soften/melted; 1/4 cup raw cacao powder (20g); 2 tablespoons GF/CF/AF baking powder*****; 1/4 teaspoon baking soda; 1/2 teaspoon fine sea salt; 2 teaspoons pure vanilla extract