Place a pan over medium heat and let it preheat for 5 minutes.
Add oil to the pan and wait another minute, then add in brussels sprouts and corn. Stir to coat with the oil then let cook for 5-7 minutes, stirring occasionally.
Make a small well in the middle and add another dash of oil then add in garlic and let cook for 30 seconds before stirring together.
Cook veggies for 3-5 more minutes until there is a nice brown charred color on them.
Add in lemon zest and juice then season to taste with salt and pepper.
Place veggies in a serving bowl and top with feta cheese.