Cranberry Walnut Tart

Ingredients

• For the Crust
• 1 cup flour
• 2/3 cup walnuts, ground
• 1 tablespoon sugar
• 1/4 teaspoon salt
• 1/2 teaspoon dry mustard
• 1/8 teaspoon cayenne pepper
• 3 ounces butter, chilled and cubed
• 1 tablespoon milk
• For the Filling
• 2 tablespoons olive oil
• 1 large onion, finely chopped
• 1/2 teaspoon salt
• 1 cup fresh cranberries or 1 cup frozen cranberries
• 1 tablespoon sugar
• 1 1/3 cups walnuts, coarsely chopped
• 2 teaspoons fresh thyme, minced fine
• 2 eggs
• 1 cup heavy cream
• 2 ounces blue cheese, crumbled