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Tomato Sauce Too Thin
Your tomato sauce is watery because excess liquid has not reduced. Reduce and reinforce the solids so it clings to pasta.
watery sauce · will not cling to pasta · vegetarian · gluten-free
The fix
Tap a step to check it off.
- 1 simmer uncovered for 8 to 10 minutes, stirring to reduce excess water
- 2 whisk in 1 tablespoon tomato paste and 1 teaspoon olive oil for body
- 3 toss with 1/4 cup starchy pasta water and reduce 1 minute to emulsify
If it's still wrong
- Blend in 1/4 cup cooked white beans for extra body.
- Add 1 teaspoon cornstarch mixed with 1 tablespoon cold water and simmer 1 minute.
Prevent next time
- Drain canned tomatoes briefly before cooking.
- Start with higher heat to drive off water, then lower to simmer.
- Avoid over-salting early; reduction concentrates salt.
Notes
Why this works
Tomatoes release a lot of water as they cook. If you do not reduce the liquid, the sauce stays thin and slides off pasta.
Reduction concentrates both flavor and solids. Tomato paste adds concentrated tomato solids and a bit of natural pectin, while starchy pasta water helps the sauce emulsify so it clings to noodles instead of pooling at the bottom.