Cheesy Cauliflower Casserole {Easy Side Dish} - Feel Good Foodie

Ingredients

• 3 medium yellow potatoes (peeled and chopped into 1-inch pieces)
• Salt and pepper (to taste)
• 1 small head cauliflower (cut into florets)
• 2 tablespoons olive oil
• 1 tablespoons fresh thyme (plus more for garnish)
• 1 teaspoon garlic powder
• ¼ cup 2% milk
• 1 cup shredded cheddar cheese