Italian Stuffed Meat Loaf - cooking recipe

Ingredients

1 lb. ground beef
1 c. Quaker oats (quick or old fashioned)
1 (15 1/2 oz.) jar spaghetti sauce
1/2 c. chopped onion
1/3 c. grated Parmesan cheese
1 egg
1 Tbsp. Worcestershire sauce
1 tsp. pepper
1/3 c. any or mixture of the following: sliced mushrooms, sliced ripe olives, shredded Mozzarella cheese, shredded zucchini

Preparation

Note:
Set aside additional 1/2 cup Mozzarella cheese and 1/8 cup sliced olives for garnish.