Created on February 21st, 2011
Preheat oven to 450 degrees.
In a large skillet over medium-high heat, brown hamburger meat and diced yellow onion.
Season with salt and pepper while cooking.
Drain grease, then stir in spaghetti sauce and tomatoes.
Using Pam, grease a 11x7 baking dish.
Spread 1/3 of sauce mixture on bottom of pan.
Arrange 1/2 of the tortellini on top of the sauce.
Sprinkle 1/2 of the mozzarella and monterey jack cheese over ravioli.
Repeat layers, ending with the sauce on top.
Cover with foil.
Bake for 30 minutes.
Sprinkle parmesan cheese on top before serving.