Bring a large pot of water to boil, add green beans and ½ teaspoon salt. Cook on medium-low heat for 5 minutes, drain the beans.
Heat olive oil in a large skillet on medium heat. Add minced garlic and cooked green beans.
Saute on medium heat for about 2 minutes to combine all ingredients.
Remove from heat. Add freshly squeezed lemon juice and stir.
Add grated Parmesan cheese and stir. Taste and add more salt, if needed.
