Preheat the oven to 425 degrees F.
Place the potato pieces and the garlic into a large baking pan.
Add the olive oil, salt and pepper and toss well to evenly coat.
Bake for 25-30 minutes.
Remove pan from the oven and add the green beans.
Add a little extra olive oil if the potatoes look dry.
Mix the green beans and the potatoes with a spoon.
Return the pan to the oven and bake for an additional 15 minutes.
Remove the pan from the oven and stir in the bleu cheese crumbles.
Add salt and pepper to taste.