Place the sweet potato cubes in a pot of cold water, bring to a boil and reduce to a simmer. Simmer for about 10 minutes until tender.
4 medium sweet potatoes
In the meantime, cook the bacon slices over medium heat in a large pan until crisp, about.4 minutes per side. Set aside
4 slices bacon
Add the onion and garlic to the pan as well as the additional cooking fat and cook until the onions are soft, about 5 minutes. Season liberally with black pepper.
1 medium onion, 2 tablespoon lard or other cooking fat, Sea salt and freshly ground black pepper to taste, 2 cloves garlic
Turn off the heat and stir in the lemon juice and mustard.
1 ½ tablespoon homemade or Dijon mustard, 2 tablespoon lemon juice
Drain the cooked sweet potato cubes and place them in a bowl.
Add the baby spinach with the sweet potatoes and combine well and pour the cooked onions with all the drippings on top.
4 loosely packed cups of baby spinach
Crumble the cooked bacon over, combine and serve.