“Baking club is not about tears.” I hear these words and immediately want to wail into my stand mixer. Though it’s only day 15 of pastry chef and Milk Bar founder Christina Tosi’s quarantine-inspired Instagram baking club, it’s now day 22 of my family’s quarantine and our reserves of positivity are quickly running out. I didn’t sleep well last night, so when Tosi starts to tear up as she talks about fulfilling cake orders while standing in her Brooklyn-based industrial