Use evaporated milk and cornstarch to create smooth cheese dips that will stay emulsified, even at room temperature.
For Smooth, Stable Cheese Sauces, Cornstarch and Evaporated Milk Are Your Friends
A slow cooker is the ideal tool for keeping chili, sauces, and dips warm.
For great hummus, make a great tahini sauce, remove the chickpea skins, and blend it all up while the chickpeas are hot.
The Food Lab: Great Hummus and the Science of Smooth