- 01To make the mayonnaise, place the egg yolk, mustard and lemon juice in a blender and process to combine. With the motor running, add the oil by drops until the mixture begins to emulsify. Continue by adding the oil slowly in a thin, steady stream, until the mayonnaise is thick. Place in a bowl and stir in the lemon zest, chili powder, salt and pepper. Cover and refrigerate at least 1 hour.
- 02To make the hash, preheat broiler. Heat a large nonstick skillet over medium heat until hot. Add the bacon and onion, and saute until the onion is translucent, about 5 minutes. Add the garlic and cook, stirring constantly, for 1 minute. Add the potatoes and saute until tender, about 10 minutes. Stir in the thyme, sage, cumin and turkey and cook until the turkey is just heated through. Remove from heat and stir in salt, pepper, lemon juice and parsley.
- 03Place the hash in a baking dish and place under the broiler until nicely browned, about 2 minutes. Serve with a dollop of the mayonnaise.