Rosanna Pansino: Nerdy Nummies Mishmash

Rosanna bakes the perfect chocolate chip cookie and shares how to bake the perfect banana bread!

Rosanna tries a dog IQ test for her French bulldogs! Plus, she makes DIY dog treats to celebrate Cookie's birthday!

Rosanna makes geode cake pops using sugar gem candies and bakes a five-layer earth sediment cake to celebrate Earth Day!

Rosanna whips up some "super sweets" including Incredibles 2 cookies, Batman cupcakes, Avengers cupcakes, and Spider-Man candy apples!

Rosanna plays the Cupid Challenge with Captain Sparklez, makes DIY rose apple pastries, and shares breakfast ideas for Valentine's Day!

Rosanna bakes two cakes inspired by the popular video games Animal Crossing and Super Mario Run!

Rosanna makes crispy rice treats and candy pops inspired by Minecraft! Plus, classic controller candy bars and a LEGO cake!

Rosanna celebrates the release of her song "Perfect Together" and the fall season by whipping up pumpkin spice cupcakes, pies, and dip!

Rosanna makes spicy and minty Game of Thrones cupcakes, a pineapple Tomb Raider cake, and blue and green milk to celebrate Star Wars!

Rosanna and her sister Mo work together to bake an amazing Frozen princess cake!

Rosanna and her sister Molly play a game of Who's-Most-Likely-To: Sister Edition! Plus, the sisters do a Candy Assembly Challenge!

Rosanna bakes a basic castle cake with chocolate and strawberries! Plus, a delicious three-layer Maleficent princess cake!

Rosanna makes four different holiday-themed treats and three quick and easy DIY microwave mug cakes!

Rosanna shares her churro dessert recipe! Plus, she makes Valentine's Day emoji treats including hearts, a love letter, a rose, and Cupid!