Struggling with burnt food stuck to your glass casserole dish? It's a common issue with Pyrex oven dishes, especially after baking lasagna.
The easy solution: a ball of used aluminum foil. As a home cleaning expert, I've tested this method countless times—it removes residue without harsh scrubbing.

1. Fill the burnt gratin dish with water and a squirt of dishwashing liquid.
2. Form a ball from used aluminum foil.
3. Gently rub the foil ball over the burnt areas.
Your dish is spotless with minimal effort! This trick also helps reuse aluminum foil, reducing waste.