In Dutch over, add potatoes and cover with water. Bring to boil. Reduce heat; cook, uncovered, 10-15 minutes, or until tender.

In skillet over medium heat, cook bacon until crisp. Drain on paper towels, chop into small pieces and set aside. Remove bacon grease from skillet and cook chorizo over medium-high heat, 6-8 minutes.

Drain potatoes; add to pan. Mash potatoes, gradually adding crema Mexicana, butter, onion powder, salt, garlic powder and pepper. Transfer to greased 13-by-9-inch baking dish; sprinkle with cheese, chorizo and bacon. Refrigerate, covered, up to 1 day.

Preheat oven to 350 F. Remove potatoes from refrigerator and let stand while oven heats. Bake, covered, about 30 minutes. Uncover; bake 10 minutes, or until heated through.

Drizzle with crema Mexicana agria and chopped green onions.