My grandfather showed me this 3 ingredient dessert and it instantly takes you back in time.

This slow cooker 3-ingredient root beer float cake is pure nostalgia in a spoon. My grandfather used to make a version of this when the Midwest heat got heavy and no one wanted to turn on the oven. It tastes exactly like a root beer float turned into a warm, fluffy cake—sweet, fizzy, and perfumed with vanilla. With just a box of cake mix, a bottle of root beer, and a scoop of vanilla ice cream that melts into a glaze, it’s the kind of simple dessert you can throw together on a hot afternoon and let the slow cooker do the rest.

It’s become the only sweet treat my family asks for on sticky summer nights, and it always takes us right back to those easy, barefoot evenings of childhood.

Serve this root beer float cake warm, scooped straight from the slow cooker into shallow bowls so you catch all the soft sponge and melty vanilla glaze. Add an extra small scoop of vanilla ice cream or a dollop of whipped cream on top if you want more of that classic float effect. A few cold root beer floats or frosty glasses of plain root beer on the side make it feel like an old-fashioned soda fountain at home. Because the cake is quite sweet, it pairs nicely with salty snacks like popcorn or pretzels if you’re serving it for a movie night, or with fresh berries to cut the richness.

Slow Cooker Root Beer Float Cake

Servings: 8

Ingredients

1 box (15.25 ounces) yellow cake mix

1 3/4 cups root beer (not diet)
4 cups vanilla ice cream, slightly softened (about 1 quart)

Directions