Take a skillet. Put it on medium low heat. Add some olive oil or butter. Add chopped onion. Turn heat up a tad. Set timer for 2 minutes. Throw some fresh, chopped veggies in as well as some minced garlic. Put lid on skillet. Set timer for 2 minutes. Add some sea salt and pepper. Taste. Cook for a minute more if the veggies still need a bit more time to cook.
What is your favorite veggie to sautee?