How Long to Cook Classic Lasagna (9×13 Pan) in the oven

Specification: 9×13 pan layered with meat sauce, ricotta filling, mozzarella, and no-boil noodles

Target Temp

375°F (190°C)

Radiant Heat

Total Time

45–55 mins

Total Cook Window

Flip Mark

No Flip

Continuous Cook

Internal Safe Temp

165°F (74°C) at center

USDA Safe Pull

3-Step Execution Protocol

Preheat & Prep

Preheat oven to 375°F (190°C). Prepare classic lasagna (9×13 pan) (9×13 pan layered with meat sauce, ricotta filling, mozzarella, and no-boil noodles).

Cook

Cook for 45–55 mins. Do not flip; allow surface to develop undisturbed.

Check & Rest

Cheese is deeply golden and bubbling at the edges; sauce is visible bubbling around the sides; noodles are tender. Confirm internal temperature reaches 165°F (74°C) at center. Rest for 15 minutes before serving.

Verification Basis & Testing Rig

USDA FSIS 165°F casserole standard; tested in GE Profile 30" convection oven at center of 9×13 Pyrex.

Pro Tip: Cover with foil for the first 35 minutes, then remove foil and broil 2–3 minutes for a golden bubbly cheese top. Rest 15 minutes so layers set and slices hold together.

Want the complete meal with seasoning & sides?View Full Recipe

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