Solutions for Everyday Kitchen Mistakes

You can learn from your mistakes, but it may result in ugly cakes, calorie overloads, and even singed arm hair (ouch!).  Learn from our cooking, nutrition, grilling, and baking mistakes instead!

The Most Common Cooking Mistakes

Learn how to avoid these common mistakes for success every time.

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56. Your Pesto Gets Dark & Murky
Photo: Becky Luigart-Stayner

56. Your Pesto Gets Dark & Murky

Pesto is the perfect answer to a bumper crop of basil, but if you're not careful, the herb mélange can discolor faster than a batch of guacamole, dulling as soon as it hits hot pasta—or even before, in the food processor. There are two causes: Chopping basil produces ethylene, the gas that turns vibrant leafy vegetables a dull, dark color.

Also, overworking the basil in the processor heats the mixture, breaking down the chlorophyll, which is the source of the green. Some chopping is necessary for the herb's essential oils to release their flavor. But a prolonged puree turns things muddy.

The solution: Pulse; don't puree. Place whole basil leaves, garlic, cheese, nuts, and about 2 tablespoons oil in the bowl of a food processor, and pulse 2 to 3 times or until a rough paste forms.

Repeat with more oil, pulsing after each addition, just until smooth. You can also add a couple of tablespoons of parsley or spinach to help preserve that bright green color. When it's time to serve, top hot foods with pesto in the serving bowl at the last minute, rather than in the skillet. To store, place in an airtight container, and place plastic wrap directly on the surface of the pesto. You can also drizzle on a top layer of oil to help prevent oxidation.

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