Salads with water

1 1/2 lbs small red potatoes , scrubbed and cut into 3/4 inch pieces 8 ounces fresh green beans , cut in 2 inch pieces 3 tablespoons olive oil 2 tablespoons[...]

1 clove garlic , smashed with a pinch of salt and a little olive oil 1 anchovy fillet 2 egg yolks 1 tablespoon Dijon mustard 2 lemons , juiced 2 tablespoons[...]