For a touch of sweetness and depth, you can fold in 2–3 tablespoons of finely chopped, well-cooled caramelized onions along with the soup mix; this technically adds more than three ingredients, but the base recipe remains the same. If you prefer a smoother, more mellow dip, let it rest overnight; the dehydrated onions will fully soften and the flavors will meld.
Food safety tips: Always keep the dip refrigerated until serving, and limit the time it sits at room temperature to 2 hours, or 1 hour if it’s above 90°F/32°C, to reduce the risk of bacterial growth in the dairy. If serving at a long cookout, transfer small portions to the table and replenish from a chilled container rather than leaving the entire batch out.
Discard any leftover dip that has been left out beyond safe time limits, and store properly chilled leftovers in an
