Grease a 7 cups silicone mold and set aside. Hole: 2 inch (5 cm) diameter, 1.5 inc (3.8 cm) hole Mold: 7 inch (18 cm) diameter mold To a bowl, add sugar, water, oil, vanilla extract and lemon juice or white vinegar. Whisk until sugar is completely dissolved.
Sift in gluten free flour, baking powder and baking soda.
Mix until dry flour is no longer visible. DO NOT OVER MIX (mix until dry and wet ingredients are just combined).
Spoon batter into cupcake mold until 1/2 full.
Bake in air fryer at 325oF (160oC) for 15 minutes, or until toothpick inserted in the middle of cupcake comes out clean. No need to preheat Air Fryer.
Let cupcakes cool down in pan for 10 minutes. Then transfer cupcakes to wire rack to cool down completely.