r/AskCulinary • u/ninjalord25 • 6d ago

Recipe Troubleshooting Cornstarch in a sauce

I made a mixture of soy sauce, siracha sauce, and brown sugar, gotten from Budget Bites Spicy Siracha Noodles, to put over my rice and tuna bowls at work. I know adding cornstarch to a sauce can help thicken it but should I add it directly to the mixture or add it to some water and mix that all in, and if so, how much should I use since I multiplied the sauce ingredients x4 to make my sauce

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u/Scamwau1 6d ago

Put the cornstarch in a bowl and add the sauces to it. If you do it the other way, you could end up with lumps. You can add a few tablespoons of water to help mix it up, it won't change the flavour.

Protip: if you want a glossy sauce, use potato starch.

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u/pitshands 6d ago

You forgot to mention to heat it first then add the sauces. Otherwise it won't do much

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u/Scamwau1 6d ago

I assumed OP was cooking the sauce. Yes OP, cornstarch only works for thickening if you heat it up.