Food & Cooking Recipes Ham, Jam, and Cheddar Puffs Be the first to rate & review! By Martha Stewart Test Kitchen Martha Stewart Test Kitchen The recipes developed by our test kitchen team have undergone a rigorous process of development and testing, ensuring that every element is optimal, from ingredient amounts to method and cooking time. This process includes triple-testing recipes to ensure they meet our high standards. The many stellar cooks and food editors who have been part of our team include Sarah Carey, Lucinda Scala Quinn, Jennifer Aaronson, Shira Bocar, Anna Kovel, Greg Lofts, Riley Wofford, Lauren Tyrell, and Lindsay Leopold. Editorial Guidelines Updated on September 28, 2016 Print Rate It Share Share Tweet Pin Email Ingredients 1 sheet puff pastry, thawed 2 tablespoons Dijon mustard 3 ounces Irish cheddar, shredded ¼ teaspoon black pepper 4-5 ounces ham, cut into 1/4-inch-by-3-inch-long matchsticks ⅓ cup lingonberry jam 1 egg Directions Preheat oven to 425 degrees with rack in center position. Roll out puff pastry to 12-inch square. Brush Dijon mustard over entire surface and sprinkle with cheese and black pepper. Cut dough into thirds in each direction and then cut each square in half diagonally, ending with 18 triangles. Place a piece of ham on the lower third of each triangle, add a 1/2 teaspoon jam, and roll up, making sure to place each tip-side down on a parchment-lined baking sheet. Whisk egg and 1 teaspoon water in a small bowl until lightly beaten. Brush each puff with egg wash and bake for 16 to 18 minutes until golden brown. Rate it Print