Questions for Lasagna experts

[kiddie]

My daughter and I make lasagna together once a year (Christmas) and we use this cheater pan

https://www.amazon.com/Chicago-Metallic-26783-Professional-12-5-Inch/dp/B00WDZOPII/ref=sr_1_1?dib=eyJ2IjoiMSJ9.UqUbRQ1NA2tcmVv0E62XDYVbkb5U1R3x6Cu_V37hLVfETalyB2FuhODy4jUx0l-QDN3rYZswTMH_fS4MCmglIOYiX7-OWIkbtTY6Kg_ZYR1rZRvsD2476NXqjEI-hGmhzImwSW8udR1iijC1FaUt2NIuOflCHUoceTZ-k15I7ypW2bhVSEwfZbJ4_mIqMFFBhZM2lAtH0mFD0nJqIgG1iKaUV2uM43lG4IuwaYRf0zTCqPC-3SRKmo5h0nT9w0uiVnJrhPhASRUfLtIeoJvzX-oi3S5rSUjRAX2J_-9JUW4.tUVdfyhK92DdnRKefa9D-lbRjaCjz0_un_PI9_mrr8M&dib_tag=se&keywords=lasagna%2Bpan%2Bwith%2Bdividers&qid=1762984894&sr=8-1&th=1