Italian Meatloaf

3/4 cup minced onion
1/2 cup minced celery
1/2 cup minced button mushrooms
1 Tablespoon oil
1/4 teaspoon salt
1 1/2 pounds ground beef
1 egg
10 ritz crackers, crushed
1/2 cup Parmesan cheese
3 Tablespoons milk
1 teaspoon ‘garlic garlic’ seasoning
1 teaspoon salt
1/2 teaspoon pepper
1/4 teaspoon onion powder
1/2 teaspoon dried parsley flakes
1 1/4 cup canned spaghetti sauce
…..

Heat 1 tablespoon oil in a skillet over high heat. Saute onions and celery until lightly browned. Add mushrooms and 1/4 teaspoon salt. Cook three minutes, stirring occasionally. Remove from heat and place in large mixing bowl. Add beef, egg, crackers, cheese, seasonings and 1/4 cup spaghetti sauce to mixing bowl and combine with vegetable mixture. Grease a shallow baking dish. Shape meat mixture into a meatloaf and place in baking dish. Bake at 350 degrees for 30-45 minutes (until cooked through). Top with remaining spaghetti sauce and bake 5 minutes more.