In large sauté pan cook bacon until crisp
Remove from heat and reserve.
Toss red potatoes in bacon fat roast until tender
Toss sweet potato in olive oil, roast until tender
Pour left over oil and bacon fat from potatoes back in sauté pan
Sauté onion until caramelized
Deglaze with vinegar
Add sugar and potatoes to pan
Toss in bowl it serving platter
Top with bacon and parsley.