The phrase "same bowl" means being in the same situation or facing the same problems as someone else. It suggests that people are in similar circumstances or have the same difficulties.
Sentences with «same bowl»
In same bowl used for shrimp, add potatoes and drizzle with 2 tablespoons olive oil. (cookandbemerry.com)
Pour into same bowl as the lentil / quinoa mixture. (namelymarly.com)
Add eggs to pot and cook until hard - boiled, 12 minutes; add eggs to same bowl of ice water; let cool. (bonappetit.com)