No, you do it with frozen. I usually layer with sauce , bake 40 min or so. Here's a recipe...
I usually use just ravioli and sauce, but I've made this one using spinach, sauce and mozzarella. This recipe was in Real Simple magazine.
* Exported for MasterCook 4 by Living Cookbook *
Last-Minute Lasagna using Frozen Ravioli
Recipe By :
Serving Size : 6 Preparation Time: 0:10
Categories : Cheese Main Dish
Pasta Vegetable
Vegetable
Amount Measure Ingredient -- Preparation Method
1 26-oz jar pasta sauce
1 18-oz bag frozen large cheese ravioli, unthawed
1 10-oz box frozen chopped spinach, thawed and squeezed dry
1 8-oz bag shredded mozzarella
1/2 cup grated Parmesan (about 2 ounces)
1. Heat oven to 350° F.
2. Spoon 1/3 of the sauce into a 9-by-13-inch baking dish. Place 12 ravioli
on top. Cover with the spinach and half the mozzarella. Add another layer of
ravioli and the remaining sauce, mozzarella, and the Parmesan.
3. Cover with foil and bake for 25 minutes. Uncover and bake until bubbly, 5
to 10 minutes more.