Preheat oven to 180c
Grease a 12 count muffin mould and set aside.
In a bowl, sift flour,baking powder, baking soda and salt. mix well and set aside.
In a bowl of the electric mixer attached with paddle attachment, mix Canola Oil and sugar on medium high speed until well combined.
Reduce the speed to medium and gradually add eggs until just combined
Add lime juice,zest, 1tbsp tequila and vanilla extract.
Continue mixing
Slowly add half the flour mixture and mix until blended
Add sour cream and mix again
Now add remaining flour mixture and blend again
Divide batter into muffin moulds
Bake for 15-18 minutes
Transfer the muffins to wire rack when still warm
Now brush the remaining tequila over the muffin tops
Let cupcakes cool completely.