Low Carb Tangy Hot Bacon Spinach Salad

4 slices bacon, diced
1/2 cup diced onion
1/3 cup apple cider vinegar
salt and black pepper to taste
4 cups fresh baby spinach, washed and dried well
4 hard-boiled eggs, sliced
hot pepper flakes or smoked paprika for garnish

In a skillet, cook bacon pieces until crisp; remove to paper towel to drain.
To same skillet with bacon drippings, add the onion, cooking until just starting to get clear, then add the apple cider vinegar, stirring to combine and get brown bacon bits from bottom of skillet.
Turn heat to simmer, and cook for 5 minutes, stirring often.
To serve, divide washed spinach between 4 salad plates, immediately drizzle hot dressing from skillet over each serving, tossing slightly.
Sprinkle bacon pieces over each serving evenly, and finally arrange the egg slices evenly over the top. If desired, sprinkle a few hot pepper flakes over each salad or a sprinkle of smoked paprika.
Makes 4 servings.