Dinner · Part 2 of 3: Instructions
Easy One-Pan Baked Cheese Tortellini Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 4
Before you start
Before beginning the recipe, ensure the oven is fully preheated to 375°F (190°C) to guarantee consistent baking. Have all ingredients measured and ready, especially the tortellini and mozzarella.
If the pesto is stored in the refrigerator, take it out a few minutes early to soften it, which makes it easier to distribute evenly over the sauce. Prepare the baking dish by ensuring it is clean and dry. Having everything organized beforehand makes the assembly process fast and efficient, allowing the dish to enter the oven without delay.
Ingredients at a glance (4)
- 20 oz refrigerated cheese tortellini
- 24 oz marinara sauce
- 1/2 cup basil pesto
- 2 cups shredded mozzarella cheese
Instructions
Assembly of ingredients
- Assemble the basePreheat the oven to 375°F (190°C). Arrange the uncooked cheese tortellini in an even layer across the bottom of a 9x13 inch ceramic baking dish. Ensure the pasta is distributed evenly to allow for consistent cooking throughout the dish.Look for The pasta should cover the base of the dish in a single layer.Tip Use a ceramic dish for better heat retention and an attractive presentation.
At this phase, the baking dish should be neatly filled with a single layer of cheese tortellini. It is essential to ensure that the pasta is spread uniformly across the bottom of the dish to avoid uneven cooking. The butcher-block countertop should be clean, and the dish should be placed securely in the center of the workspace, ready for the liquid and toppings to be added for the baking process.
Adding sauce and toppings
- Add sauce and toppingsPour the marinara sauce over the tortellini, ensuring every piece is coated. Dot the top of the sauce with spoonfuls of basil pesto, then sprinkle the shredded mozzarella cheese evenly over the entire surface of the dish.Look for The sauce should just reach the top of the pasta layer.Tip Distribute the pesto dollops evenly to ensure a burst of flavor in every bite.
The dish should now be covered with a vibrant red layer of marinara sauce. The green dollops of basil pesto should be visible against the red sauce, and the shredded mozzarella should be scattered evenly over the entire surface. This is the stage where the ingredients come together to form the structure of the bake. Check that the sauce covers the pasta completely to ensure proper rehydration during the oven time.
Final bake and finish
- Bake and servePlace the dish in the preheated oven and bake for 25 minutes, or until the mozzarella is melted and golden brown and the edges of the sauce are bubbling. Remove from the oven and let rest for 5 minutes before serving.Look for The cheese should be bubbly and lightly browned.Safe temperature 160°F (71°C) internal temperature (egg dishes)Tip Letting the pasta rest allows the sauce to thicken slightly for a better consistency.
Once finished, the dish should showcase a beautifully melted, golden-brown crust of mozzarella cheese. The edges should show active, bubbly red marinara sauce, and the overall aroma should be savory and inviting.
The tortellini should be soft and fully cooked. Ensure the dish is removed from the oven carefully and allowed to rest, which helps the sauce settle into a perfect, spoonable consistency before the first serving is lifted.
Common mistakes
A common mistake is overcrowding the baking dish, which can prevent the pasta from cooking evenly; ensure the tortellini is in a single, even layer. Another error is using too little sauce; if the pasta is not adequately covered, it may dry out in the oven.
Avoid over-browning the cheese by watching the oven during the final few minutes of baking, as mozzarella can transition from perfectly golden to burnt very quickly once the moisture has evaporated.
How to tell it’s done
The dish is considered done when the mozzarella cheese is completely melted and has developed a light golden brown color on the surface. The marinara sauce should be bubbling actively around the edges of the baking dish, indicating that the heat has penetrated through to the center.
The tortellini should be tender when tested with a fork. Ensure the internal temperature of the egg-containing pasta filling reaches at least 160°F (71°C) to ensure it is thoroughly cooked through.
- Egg dishes: 160°F (71°C) in the thickest part
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)