My dad makes this 3 ingredient classic for every single cookout. It disappears so fast we always have to make a double batch before guests arrive!

hours if serving outdoors in warm weather.

For a lighter version, swap half of the sour cream for plain Greek yogurt; this keeps the dip thick and tangy while cutting some richness. If you like a stronger onion flavor, stir in 1–2 tablespoons of finely minced fresh chives or green onions just before serving for a fresh, grassy note.

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