Remove papery outer skin from garlic (do not peel or separate cloves). Cut tops off of garlic bulbs. Brush with oil. Wrap each bulb in heavy-duty foil. Bake at 425° until softened, 30-35 minutes. Cool for 10-15 minutes. , Meanwhile, place potatoes in a large saucepan; cover with water. Bring to a boil. Reduce heat; cover and simmer just until tender, 8-10 minutes. Cut bacon strips in half widthwise. In a large skillet, cook bacon over medium heat until partially cooked but not crisp. Remove to paper towels to drain; keep warm., Preheat oven to 375°. Place a tablespoonful of cheese on the cut side of a potato half. Wrap with a half-strip of bacon and secure with a toothpick. Place on an ungreased baking sheet. Repeat. Sprinkle appetizers with pepper. Bake until bacon is crisp, 10-15 minutes., For sauce, squeeze softened garlic into a food processor. Add creme fraiche and cilantro; cover and process until blended. Serve with potatoes.