Bacon, Lettuce And Tomato Salad
["1/3 c. mayonnaise", "1/3 c. sour cream", "1/4 c. water", "1 Tbsp. cider vinegar", "1/8 tsp. salt", "2 medium-sized red onions", "1 Tbsp. finely chopped fresh chives (optional)"]
["Prepare Dressing:", "In small bowl, whisk together mayonnaise, sour cream, water, vinegar and salt.", "Set aside.", "Cut red onions crosswise in half.", "To make onion cups, cut and scoop out each onion half, leaving bottom intact and about 1/4-inch thick shell. Finely chop enough scooped-out onion to make 1/4 cup.", "Add chopped onion to mayonnaise mixture.", "Fill red onion cups with dressing.", "Garnish with chives, if desired, and refrigerate while preparing salad."]
["mayonnaise", "sour cream", "water", "cider vinegar", "salt", "red onions", "fresh chives"]