I'm a chef with over 15 years of experience. Here are 12 tips I learned in culinary school that at-home cooks should know.

Dull knives are more dangerous than sharp ones.

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• I've been a chef for years and picked up some tips in culinary school that home cooks could use.
• Prep ingredients ahead of time and use a damp towel to keep your cutting board in place.
• Though some dishes benefit from a little cold butter, others need acid from vinegar or lemon.

I've been a chef for over 15 years, and even though professional kitchens aren't for everyone, there...