Ingredients
1 can (8 ounces) tomato sauce, divided1/2 cup dry bread crumbs1 large egg, beaten1 teaspoon dried minced onion3/4 teaspoon salt1/2 teaspoon dried oregano1-1/2 pounds lean ground beef (90% lean)1-1/2 cups shredded mozzarella cheese1 jar (6 ounces) sliced mushrooms, drained Optional: Marinara sauce and minced fresh oregano
Preparation
Preheat oven to 375°. In large bowl, combine 3/4 cup tomato sauce, crumbs, egg, onion, salt and oregano; add beef. Mix lightly but thoroughly. Cut two pieces of waxed paper 15-in. long. Place meat mixture in center of one rectangle; cover with second rectangle.
With a rolling pin, press meat into a 13x9-in. rectangle. Remove top sheet of waxed paper. Top with cheese, mushrooms and remaining tomato sauce. Roll up meat, jelly-roll style, starting at narrow end; use waxed paper to help. Place meat seam side down; seal ends securely. Place in a greased 9x5-in. loaf pan.
Bake for 30 minutes. Drain; bake until a thermometer reads 160°, 25-30 minutes longer. If desired, serve with marinara and oregano.
