Gluten-Free Muffins with Blueberries

Ingredients

• eggs - 1 pc.
• rice milk - 3.4 fl oz (100 ml)
• coconut sugar - 2 - 3 tbsp.
• vanilla powder - 1 pc. (0.2 g) or essence
• coconut shavings - 1 tbsp.
• rice flour - 2 tbsp.
• buckwheat flour - 1 tbsp.
• tapioca flour - 2 tbsp.
• carob powder - 1 tbsp.
• sunflower oil - 2 - 3 tbsp.
• soda - 1/4 tsp.
• baking powder - 1/2 tsp.
• soy yogurt - 2 tbsp.
• grapefruit juice - 1 - 2 tbsp.
• blueberries - 1 - 2 per muffin (fresh)