Green Beans with Walnuts, Cranberries and Blue Cheese

INGREDIENTS

• 1 small shallot, thinly sliced into half-moons
• 1/2 teaspoon freshly ground black pepper
• 1 teaspoon kosher salt
• 1 heaping teaspoon Dijon mustard
• 1 tablespoon sherry vinegar
• 2 ounces crumbly blue cheese
• 3/4 cup toasted walnuts, chopped
• 1/3 cup dried cranberries
• 1 3/4 pounds green beans, trimmed
• 3 tablespoons roasted walnut oil