Step 1

Dice bacon and fry in a skillet over medium heat until crispy.  Reserve 1 tbsp bacon grease.

Step 2

In a mason jar, add bacon grease, flour, sugar, vinegar, and water.  Close jar tightly and shake until well mixed.

Step 3

In a serving bowl, add greens, onion, and cooked bacon.

Step 4

Just before serving, add hot bacon dressing to salad and mix, coating well.