For ours, we used frozen Greenbeans but, you can use fresh if you like. I would not recommend canned though. In our pan over low-medium heat we defrosted the beans. Of course you could do this in the microwave if you like.
After they were completely defrosted, we drizzled in about a tablespoon of olive oil, and bumped up the heat to medium-high. We also added just the tiniest of cayenne pepper to the beans. Then we sautéed the beans until they were beginning to turn lightly brown. At this point we added in about a tablespoon of minced garlic. Then we continued to sauté until the garlic turned lightly brown.
We served them topped with a light sprinkling of honey roasted sunflower seeds. Which made a nice compliment to the garlic. We served them with leftover grilled chicken topped with salsa. It turned out to be a delicious lunch.
I really do think that often as not the simple recipes are the ones that taste the best.