This is the shortcut in the name. A 20-ounce package of refrigerated cheese ravioli replaces both the pasta sheets and half the cheese layer, which is why the ingredient list runs to eight lines.
Layered flat in a single layer at a time and cooked for three to three and a half hours, they soften and settle against each other. The finished slice looks more like sheet lasagna than like ravioli, and that is expected.
Why This Recipe Works
- Refrigerated ravioli cook through in the sauce without any pre-boiling.
- Arranging them in a single layer rather than piling them lets each one soften evenly.
- Dotting the ricotta rather than spreading it keeps pockets of it visible in the slice.
- A fifteen-minute rest lets the layers compress and set enough to cut into squares.
Ingredient Notes
- Refrigerated cheese ravioli
- One 20-ounce package, used straight from the packet. They are the noodle and part of the cheese in one.
- Ground beef
- A pound, lean, browned to 160 degrees Fahrenheit and drained before the marinara goes in.
- Ricotta
- A cup and a half, dotted rather than spread, so it stays as visible pockets.
How to Make It
Brown the beef
Brown meat with onion until fully cooked; drain and stir in marinara.
First layer
Spread a thin layer of sauce in the slow cooker. Arrange ravioli in a single layer, then dot with ricotta and sprinkle with mozzarella and Parmesan.
Repeat and top
Repeat layers, ending with sauce and mozzarella.
Cook to 165F
Cook on Low 3 to 3 1/2 hours, until ravioli are tender and the center reaches 165 degrees Fahrenheit.
Rest, then cut
Rest 15 minutes before cutting into lasagna-style squares; the ravioli edges may compress into sheet-like layers in the slice.
Where a Shortcut Lasagna Goes Wrong
Five steps, and four moments where the difference between a cuttable lasagna and a pan of loose ravioli is decided.
After browning
The beef is drained before the marinara goes in
A 24 oz jar of sauce plus rendered fat makes a casserole too loose to cut, and there is no roux or egg here to bind it.
Each pasta layer
The ravioli sit in a SINGLE layer, not piled
Stacked ravioli steam unevenly - the ones underneath overcook while the ones on top stay firm.
The ricotta
Dotted, not spread
Spread into a sheet it disappears into the sauce. Dotted, it stays as the pale pockets the cut face shows.
The top layer
It ends with sauce and mozzarella rather than pasta
Exposed ravioli dry out under the lid; sauce and cheese are what brown instead.
Before cutting
165F in the centre, then a full 15-minute rest
165F is the casserole's doneness standard. The rest is what lets the layers compress so a square holds together on the plate.
Success Tips
- Keep each ravioli layer to a single layer; stacked, they steam unevenly.
- Drain the beef well — a jar of marinara plus undrained fat makes a loose casserole.
- Rest fifteen minutes before cutting or the squares will not hold.
Serving Ideas
Eight servings cut into lasagna-style squares after resting, in red sauce under melted mozzarella.
Frequently Asked Questions
Why does my slice look like sheet lasagna?
That is expected. The ravioli edges compress into sheet-like layers as they cook and rest.
Do I need to boil the ravioli first?
No. Refrigerated ravioli cook through in the sauce over three to three and a half hours.
What temperature should it reach?
The beef is browned to 160 degrees Fahrenheit; the finished casserole reaches 165 in the centre.
