Instant Pot Cauliflower Mac and Cheese

Bahan-bahan (8 porsi)

• 1 medium/large head cauliflower
• 16 ounces whole wheat pasta (elbows, shells, rotini, or similar)
• 1 tablespoon unsalted butter
• 1 teaspoon kosher salt
• 2 ounces reduced-fat cream cheese
• 2 cups freshly grated melty flavorful cheese
• 8 to 12 ounces 2% evaporated milk
• 1/2 teaspoon garlic powder
• 1/4 teaspoon ground black pepper