Preheat the oven to 350°F (176°C).

Grease a 12-cup muffin pan, or line with papers.

Put dry ingredients, except lemon zest and poppy seeds, in a mixing bowl and set aside.

Put butter, sugar, eggs, sour cream, milk, vanilla extract, and lemon juice into your jar and secure lid.

For Blendtec: Press the BATTERS button.

For Vitamix: Select Variable 1. Turn machine on and slowly increase speed to Variable 10, then to High. Blend for 30 seconds. Stop machine.

For Blendtec Fourside Jar and Vitamix: Pour wet mixture into dry mixture and mix well. Fold in poppy seeds and lemon zest.

For Blendtec Wildside Jar: Add poppy seeds and lemon zest , then dry ingredients 1/3 at a time to wet ingredients and press the PULSE button until well incorporated.

Divide the batter among the cups. Bake for 30 to 35 minutes, until cupcakes are very light brown and pass the toothpick test.

Remove the cupcakes from the oven and after 5 minutes, transfer them to a rack to cool completely.

All done! Enjoy!! Now take a photo, rate it, and share your accomplishments! :) Tag @BlenderBabes & #BlenderBabes