Unlike harder vegetables (like this cinnamon Roasted Butternut Squash), zucchini has a high water content. That means that if you overbake it, the water will seep out and your zucchini will be soggy. Cutting the zucchini into larger pieces is a nice safety net. Larger pieces are harder to overcook.
How do you overcook zucchini?
1 Mash the vegetables. What you can do is mash the entire batch of mushy vegetables and serve it like a mashed potato side dish. You can even add some mashed potatoes to the veggies if it's too mushy, and then make potato balls or pancakes.
How do you tell if zucchini is cooked?
You'll know the dish is done when the zucchini turns golden brown. Test Kitchen tip: If you're in the mood for roasted zucchini, bump up the oven to 425°. This gives the zucchini a richer, deeper brown and preserves some of the vegetable's crisp texture.
What happens if you overcook vegetables?
Unfortunately, you won't be ooh-ing and aah-ing over overcooked veggies. They not only lose their visual appeal, but they get mushy and lose a lot of their natural flavor. ... The ultra-hot water that you boil to cook your veggies can also damage their vitamins.
Is zucchini supposed to be soft when cooked?
They'll be caramelized and soft on the outside but the insides will still al dente, not mushy at all. You'll love them completely. You can also do the same thing, essentially, under the broiler.

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