Cook the bacon in a large baking sheet in the oven at 350 for 15-16 minutes. In the last 2 mins, sprinkle the onions and let them brown in the grease. Do not let them burn.
Drain on paper towels. Let cool, and chop into bite size pieces.
Cook pasta according to box, drain, set aside in large serving bowl and toss with a drizzle of olive oil.
In small bowl combine mayo, sour cream, chilli sauce and garlic, add drizzle of olive oil if too thick. Add pinch of salt and pepper, and 1/2 of the chives to mixture and stir.
Add mayo mixture and tomatoes to pasta. Toss well.
Add bacon, lettuce, bell peppers and toss gently.
Garnish with the rest of the chives and celery.
Serve at room temperature.
Recipe Notes
The chilli sauce is only for the adventurous. I like to spice things up a tad.