Sarah Fennel of Broma Bakery always knew she wanted to write a cookbook — but not until she was “confident” enough to release one. Now that everything has come together — her recipe development, her photography and her marketing ability — she was eager to put pen to paper. “For me, it was really just getting the right email from the right publisher being like, ‘Hey, we’re interested!’ Finally, the light switch went off, and I was like, ‘I’m ready to do this,'” the cooking guru exclusively tells Morning Honey about her new cookbook, Sweet Tooth: 100 Desserts to Save Room For, which releases on …