Baked Ziti - cooking recipe

Ingredients

1 Tbsp. Mazola corn oil
1/2 to 3/4 lb. lean hamburger
1 c. onion, chopped
2 cloves garlic, minced
1 (26 to 30 oz.) jar spaghetti sauce
1 tsp. oregano
1 (8 oz.) can tomato sauce
16 oz. ziti, cooked 8 minutes
1 (15 oz.) container drained Ricotta cheese
2 c. (8 oz.) shredded, part-skim, Mozzarella cheese, divided
1/2 c. grated Parmesan cheese

Preparation

1.
In large skillet, heat corn oil over medium heat.
Add beef, onion and garlic; stir frequently.
Cook 3 minutes.
Stir in spaghetti sauce, tomato sauce and oregano; bring to boil.
Remove from heat.