|Ground beef||1 Pound|
|Finely chopped onion||2 Tablespoon|
|Spaghetti sauce||1⁄4 Cup (4 tbs)|
|Mozzarella cheese slice||4 , cut into strips|
Combine ground beef, onion, salt and 1/4 teaspoon oregano.
Shape into 4 patties raising the edge 1/4 inch to form a center well.
Arrange patties in 8-inch square dish.
Cook at MEDIUM-HIGH 3 to 4 minutes; drain.
Fill center well with spaghetti sauce and sprinkle with oregano.
Cook at MEDIUM-HIGH 1 to 1 1/2 minutes.
Top with cheese and let stand, covered, 3 minutes