When it's hot, add the onions and cook, stirring frequently, until they are dark brown but not burned, about 15 minutes; then remove them from the skillet. (markbittman.com)
Remove from the skillet from the heat and stir in the basil and tomatoes. (alfrescoallnatural.com)
Remove them from the skillet onto a plate lined with paper towel to drain a bit of the oil off. (heynutritionlady.com)