What can I use to thicken sauce?

Yes! The cornstarch thickens the sauce by undergoing a process called gelatinisation that requires a temperature of at least 60 degrees Celsius/150 degrees Fahrenheit.

Well, you can add flour and butter or flour and water to make a slurry. Another option is to use potato starch and water if you want a gluten-free alternative.

I wouldn't use cornstarch for a smoothie. Cornstarch needs to be cooked to thicken foods. Your best bet is to freeze the fruit, get that started in the blender, and...

The reduction method is your only course of action. Reduce the liquid to the desired consistency, then chill again.

Yes, simmering does work to thicken a sauce. As the liquid cooks and simmers, the water is cooked and evaporated away. That makes caused the sauce left behind to get...

Actually, both flour and cornstarch are great thickening agents. But, because cornstarch is a pure starch, it has about twice the thickening power of flour. If you need to really...

If you added too much hot sauce to your spaghetti sauce, you can add salt. It takes away from the burn.

I used a mild window cleaner and added lemon juice (3 to 1 proportion). Shake well and spray inside the house, in the top and bottom corners of walls especially,...

You can, if you'd like to.

You can use soy sauce, or just omit entirely.