-
Heat a pan to medium low heat, then add the canola oil and butter.
-
When the butter is melted, add the sliced onions, and season them with salt and pepper.
-
Toss them around thoroughly in the butter and oil.
-
Cook the onions over low heat, stirring every 5-7 minutes.
-
After about 45 minutes, you'll have exactly what you're looking for: deeply golden, sugary sweet, caramelized onions.
-
Store in an airtight container for up to a week in the refrigerator.