Preheat your oven to 375°F (190°C). Lightly grease a 9x13 inch casserole dish.
In a skillet over medium-high heat, cook the diced bacon until it's wonderfully crispy and golden. Drain excess fat by placing the cooked bacon on a paper towel-lined plate.
Boil cauliflower florets in a pot of water for just 3 minutes until slightly tender. Drain, let them cool, and then roughly chop.
In the prepared casserole dish, combine the crispy bacon, chopped cauliflower, shredded chicken, minced garlic, ranch dressing, ½ cup of shredded cheddar cheese, salt, and black pepper.
Gently stir all these wholesome ingredients together until evenly mixed, then spread the mixture smoothly in the dish.
Sprinkle the remaining ½ cup of cheddar cheese generously over the top. Bake for 10-15 minutes, or until the cheese is beautifully melted and bubbly.
Before serving, add a fresh garnish of chopped parsley for a pop of color and flavor.