Step 1

Slice the tops and bottoms off of the bell peppers, cut in half, remove the seeds, and then slice into thin strips.

Step 2

Slice the onion into thin strips.

Step 3

Heat the oil in a large pan on medium-high heat. Add the sliced bell peppers and onion, and saute for 7-10 minutes, or until the veggies have softened and are starting to caramelize.

Step 4

When the fajita veggies are almost done, add the oregano, salt, and pepper, then stir for another minute.