There's nothing worse than starting a recipe and realizing you don't have the tools to finish it. Don't make that mistake with Ina Garten's key lime pie!

This key lime pie doesn't contain eggs so you want a ... 4. Using an electric mixer, beat until creamy, three to five minutes ...

Use an electric mixer or a whisk to beat together until pale and fluffy, about 3 minutes. Add condensed milk and whisk a few more minutes more. Add passion fruit purée, lime zest, juice and combine.