Bring a large saucepan of water to the boil with 1 teaspoon of salt. Add beans, cook for 4 minutes (they will turn bright green), drain, then rinse under cold tap water to cool.

Heat oil in a large skillet over medium high heat. Add green beans and garlic. Toss for 2 minutes until the garlic is golden and crispy. Add salt and pepper, then toss.

Transfer beans to serving dish