Preheat the oven to 350°F
Zest the lemon and set aside. Cut the lemon in half and extract the juice only into a small bowl.
In a large mixing bowl, using a hand mixer, mix together the olive oil, Greek yogurt, lemon juice, and sugar, until well combined.
Mix in eggs one at a time.
In a small mixing bowl, mix together flour, baking powder, baking soda, poppy seeds, and salt.
Slowly add the dry mixture to the wet mixture until combined.
Mix in the lemon zest.
Spray a muffin tin with spray oil.
Fill each muffin slot three-quarters full.
Bake for 14-16 minutes.
Remove from oven and let cool for 10 minutes.
Remove muffins from muffin tins and place them on a cooling rack to cool for another 10 minutes before serving.
If you'd like to make a glaze please see the recipe notes below.