You are here: Home » Recipes » Italian Cheese Triangles Italian Cheese Triangles Recipe by jessefreetage Yield 4 servings PrintEmail Ingredients 2 tablespoons butter or margerine5 large white mushrooms finely chopped3 green onion4 large eggs, beaten2 ounces sliced prosciutto, finely chopped Instructions Preheat oven to 350F. Line a 9 inch-square baking pan with aluminum foil, letting the foil extend 2 inches over the side of pan. Lightly grease the foil. Melt butter in a medium skillet over medium heat; add mushrooms and green onions. Cook, stirring frequently, until onions are tender and all cooking liquid is absorbed, about 4 minutes. Set mixture aside to cool. Combine eggs, cheese and prosciutto in a large bowl; stir in mixture until thoroughly blended. Spread mixture in a prepared pan; smooth surface. Bake until set and toothpick inserted in center comes out clean, about 35 minutes. Transfer pan to a wire rack ; cool for 10 mins. Remove baked mixture from pan using the foil overhangs as handles. Remove foil ; transfer to a cutting board. Cut into 9 inch squares, using a pizza cutter, or sharp knife. Cut each square diagonally to make triangles. Tip: Give triangles extra crispy texture and even more cheese flavor by sprinkling a little shredded Parmesan cheese and a dash of paprika on top befor baking Tip: Change the flavor, with any shredded cheese, Mexican blend, fresh cilantro.