01 - Preheat oven to 425°F. In a large mixing bowl, toss cauliflower florets with olive oil, salt, pepper, and garlic powder until evenly coated. Arrange the florets in a single layer on a baking sheet.
02 - Bake cauliflower for 20 to 25 minutes until golden brown and lightly crispy, stirring midway for even roasting.
03 - In a small bowl, combine Greek yogurt or sour cream with minced garlic, lemon juice, and salt. Mix until smooth.
04 - Transfer the baked cauliflower to a serving platter and serve immediately with garlic sauce on the side for dipping.