[header] How to make paleo stuffed peppers [title] Saute the onion and preheat the oven. [step] If you cooked bacon, ham or sausage, place 1 tablespoon of the cooking fat in a skillet. You could also use vegetable oil. 
Heat the fat or oil over medium-high heat and add 1 diced onion. Cook the onion until it's soft (about 4 minutes).