Kelly Quinn and her two BFF's, Darbie and Hannah, stumble upon her grandmother's mysterious cookbook in the attic and discover some far from ordinary recipes. When the Shut'em Up Shortcake silences Kelly's pesky little brother and the Healing Hazelnut Tart heals Darbie's ankle, the girls discover they have the power of magic.

In order to unravel the mystery of how to save Grandma, the Girls make a Brain Boosting Bolognese to help decipher the book's clues. But at school, they learn that there is such a thing as being too smart for your own good. Meanwhile, the mystery of Grandma's past deepens.

When the Girls lose the neighbors' dog Cowboy, they cast a Lost and Found-ue spell to bring him back. But instead of finding Cowboy, they attract everything that has been lost in the neighborhood over the years. Mama P attempts to use magic to prepare for a long-awaited trip while Ms. Silvers finds something she's been searching for.

The Girls attempt to get Mama P to disclose the mysteries of the past by baking her a Bitter Truth Truffle, but their plans are foiled when Terri accidentally eats one of them. Kelly is forced to spend the day with her mom to cover for her excessive honesty. Meanwhile, Hannah and Darbie butt heads while searching for a way to break Terri's spell.

In order to convince Jake that magic is real, the Girls cook three mystery spells for him to try. Unfortunately, Jake isn't easily convinced, and the unexpected downsides jeopardize Hannah's chances of winning a school-wide fund raising contest.

When Kelly and Hannah forget Darbie's birthday, they whip up a surprise sugary feast. But a magical mistake causes it to be a celebration they'll never forget. To undo the magic, Darbie must sneak into one of the scariest places in town.

After the Girls learn more of the book's secret history from an unexpected ally, they cook Mind Peering Peppermints to learn who cursed Grandma. The magic leads to surprises at home, and they come away with more questions than answers.

When Kelly finally finds her magical mentor, her cooking and spell knowledge is put to the test. Meanwhile, Darbie and Hannah learn that "forever" is a long time when they use magic to become BFF's with a world famous author who brings new meaning to the term, "stick together."

After Buddy wreaks havoc while Kelly is babysitting him and Ms. Silvers catches Hannah snooping around her house, the Girls cook a "do-over" spell to rewind their day and set things right. The mystery deepens when they discover that Grandma's not the only person who's been cursed in Saffron Falls.

Looking for clues, Kelly decides to access her memories from the day before Grandma was cursed by cooking a powerful spell which comes with an equally powerful price. Hannah dives into a 50-year-old mystery, and Darbie discovers being Jake isn't easy when she helps him for a day.

Following the trail of clues, the Girls plan a Father-Daughter camping trip to lead them to Grandma's last stop before she was cursed. The Girls cook Off-The-Trail Mix to uncover the next clue in their quest to save Grandma. Back in Saffron Falls, Jake tries to get his food bike into the upcoming Pluot Festival.

In Part 1 of the season finale, Kelly has finally found a recipe that will save Grandma but the uncertainty around what its side effects are causes a riff between the friends. Before Kelly can cook it, she's grounded and Darbie must eat Walk-In-My-Shoes Schnitzel to impersonate her at home. Hannah continues to unravel secrets about the book that will put all of them at risk.