Use a non-stick cooking spray to grease a muffin pan or a ring silicone tray.
Sift all dry ingredients in a large bowl.
Make a hole in the centre of the dry ingredients.
Melt the butter, add the lemon juice, set aside to cool to room temperature.
Whisk the 2 eggs with a fork and add in the centre of the dry ingredients.
Add cooled melted butter, lemon and lime in the centre and start folding the mixture gently with a wooden spoon until well combined, but ensure not to over mix.
Place in prepared muffin pan or ring silicone tray.