Transform leftover cauliflower into tomorrow’s meal. Roughly chop cooked cauliflower and set aside. In a large skillet over medium heat, sauté onion in olive oil until caramelized. Add cauliflower and toss together with spatula. Let cook for about 3-4 minutes and taste. Season with salt and pepper as necessary. Top with cheddar cheese and let cook until melted. Remove from heat and serve. Top with a fried egg and sliced avocado to make it a healthy, balanced meal.