Cheese Ravioli Filling

Introduction

This simple cheese filling comes together in one bowl and uses just five ingredients—ricotta, Parmigiano Reggiano, egg, onion, and salt—to create a rich, savory ravioli that doesn’t need much beyond butter or a light tomato sauce. The filling holds its structure when cooked and delivers a creamy, slightly sharp flavor from the aged cheese. Mix it together while your pasta dough rests, and you’re ready to fill and shape.

Recipe Details

• Prep Time: 5 minutes
• Cook Time: Not applicable (filling only)
• Total Time: 5 minutes
• Servings: Fills approximately 24–30 ravioli (4 servings as a main course)

Ingredients

• 1½ cups ricotta or cottage cheese
• ¾ cup freshly-grated Parmigiano Reggiano
• 2 tsp finely-chopped onion
• 1 egg
• 1½ tsp salt

Instructions

1. Stir all the ingredients together in a bowl.
2. Set aside while you roll the dough.

Variations

Herbed filling: Add 1 tablespoon of finely chopped fresh parsley or basil to the mixture for a grassy, aromatic note that brightens the richness of the cheese.

Nutmeg warmth: Stir in ⅛ teaspoon of freshly grated nutmeg for a subtle spice that’s traditional in many Italian cheese fillings and adds depth without overpowering.

Spinach filling: Fold in 4 ounces of thawed, squeezed-dry frozen spinach to create an earthier filling with more volume and a slight color change.

Black pepper emphasis: Use freshly cracked black pepper instead of or in addition to salt for a peppery bite that cuts through the richness of the cheese.

Lemon zest lift: Add ½ teaspoon of finely grated lemon zest to introduce a subtle brightness that balances the creamy, salty profile.

Tips for Success

Squeeze your ricotta dry. If your ricotta is very wet, drain it through cheesecloth or a fine-mesh strainer for a few minutes before mixing. Excess moisture will make your filling loose and cause ravioli to leak during cooking.

Use freshly grated cheese, not pre-shredded. Pre-shredded Parmigiano Reggiano contains anti-caking agents that can make the filling grainy. A box grater or microplane produces the best texture and melts more smoothly.

Don’t skip the onion. Even finely chopped, it adds a subtle savory depth that makes the filling taste less one-note and more refined.

Chill the filling if you have time. Refrigerating it for 15–30 minutes before filling makes it firmer and easier to work with, especially if your kitchen is warm.

Fill ravioli just before cooking. Filled ravioli can sit in the fridge for a few hours, but longer storage may cause the pasta to absorb moisture and become soggy at the edges.

Storage and Reheating

Filled, uncooked ravioli: Freeze on a parchment-lined tray until solid (about 2 hours), then transfer to a freezer bag for up to 1 month. Cook directly from frozen, adding 1–2 minutes to the cooking time.

Cooked ravioli: Toss gently with a little olive oil to prevent sticking, then store in an airtight container in the refrigerator for up to 2 days. Reheat in simmering broth or salted water for 1–2 minutes until just heated through, or toss gently in a warmed butter or sauce over medium heat for 2–3 minutes.

FAQ

Can I use all ricotta or all cottage cheese?

Yes. Ricotta alone will be creamier; cottage cheese alone will be slightly grainier but also tangier. A mix balances both qualities nicely.

What if my filling is too wet?

Drain the cheese through a fine-mesh strainer or cheesecloth for 5–10 minutes, then stir it back into the other ingredients. If it’s still loose, add a tablespoon of grated Parmigiano Reggiano to absorb excess moisture.

Can I make this filling ahead?

Yes. Mix it up to 3 days in advance and store it in an airtight container in the refrigerator. Stir briefly before using, as the egg may settle slightly.

Do I have to use an egg?

The egg binds the filling and adds richness, but you can omit it if needed. Your filling will be slightly drier and may benefit from a tablespoon of extra Parmigiano Reggiano or a drizzle of olive oil to compensate.