I think he's using it as an arrow. Like "are you using X? ➡️ Use Y instead"

Yes! This is what I was looking for! Thanks!

Interesting! Would this be similar to how you might temper a raw egg mixture into a warm soup or somesuch?

I read it as an allusion to the price of everything going up. But yes, eggs.

I quite like my Honda Accord.

I'd say so. My wife has a degree in culinary. She's used it to work her way up the hospitality industry and is now a regional GM over a few hotels in our area.