Ingredients

• 1 1/2 lbs boneless beef top round steaks, trimmed of fat
• 1 (10 3/4 ounce) can condensed cream of mushroom soup
• 1 medium onion, halved lengthwise, thinly sliced
• 1 (8 ounce) can tomato sauce
• 1 (4 ounce) can mushroom stems and pieces, drained
• 1 carrot, shredded
• 2 teaspoons oil
• 1 teaspoon salt
• 1/4 teaspoon pepper