Trader Joe’s pecorino and parmesan cheese

Hello Rabbi! Is it safe to assume that most cheeses in the US are made with non-animal sources of rennet? Is it permissible to use the cheeses mentioned above? When eating at an unsupervised pizza restaurant, why is there no issue with either the pan or pizza cutter...

Eggs at hospital cafeteria

Hi Rabbi! Is it permissible to consume a vegetable omelet cooked at a hospital cafeteria? Do I need to confirm that no non-kosher meat is being cooked on the same griddle? Or that any cooking instruments are not being used with any non-kosher meat products? If you...

Second day Yom Tov

Hello Rabbi! I am in Israel but traveling to the US immediately after Yom Tov. I will be arriving while it’s still Yom Tov. Do I have to stay in the airport when I arrive home or is it permissible for me to Uber home? Thanks, Jacob

General guidance

Hello Rabbi! I have enjoyed using your website. I was wondering if all of your פסקי הלכה  are meant to be understood as לכתחילה?  When would you be more stringent if ever? Thank you for your time. Jacob Levy

Whey protein

Hello Rabbi, Given that whey protein isolate does not seem to have any milk flavor, can it be considered pareve for the purpose of consuming after eating meat?