Gretchen’s table: Spicy fish sandwiches are biting

Spicy cod sandwich on a brioche bun with a zesty lime slaw. (Gretchen McKay/Pittsburgh Post-Gazette/TNS)

What if you’re stuck at home when everyone else is on vacation, or like me, headed to the cold, snowy mountains of Wyoming, where I’ll be dog-sitting my sister’s aging Labrador while she goes to — you guessed it — the seaside.