Low Carb High Fat/Keto Cauliflower Au Gratin (Vegetarian Keto)

Ingredients

• 1 medium head of cauliflower, cut into florets
• 2 tablespoons (1/4 stick) unsalted butter
• 3 tablespoons almond flour
• 2 cups heavy whipping cream
• 1 1/2 cups grated cheddar cheese (divided)
• 1/2 cup grated parmesan cheese (divided)
• 1/2 teaspoon garlic powder
• 1/2 teaspoon salt
• 1/2 teaspoon freshly ground black pepper
• 1 teaspoon Herbes de Provence