Heat oil in saute pan; when hot, add onions and cook on medium-high heat until starting to brown. Add sugar, salt, and pepper and continue cooking (while stirring) until onions are translucent with a golden brown glaze. Set aside.
Char Jalapenos over an open flame. Peel and chop coarsely.
In a large mixing bowl, combine Ranch dressing, caramelized onions, Jalapeno peppers, and roasted garlic. Stir and divide into four equal portions that serve four people each. Garnish with Italian parsley. Serve with crudites and/or roasted root vegetables.