Freefrom Ruth Holroyd's chocolate cake in a mug with a twist

Ingredients

• 2 tbsp rice flour
• 2 tbsp tapioca flour
• 1 tbsp of mesquite flour (you can use or more of this, depending on your taste)
• ¼ tsp guar gum (optional, I have made it without and it’s fine)
• 4 tbsp sugar
• 2 tbsp cocoa / drinking chocolate (check it is dairy free)
• 3 tbsp milk or rice/soya milk
• 3 tbsp oil
• 3 tbsp dairy free chocolate chips (optional but very advisable)
• small splash vanilla essence