One Pot Broccoli Mac and Cheese

Bahan-bahan (4 porsi)

• 2 tablespoons butter
• 8 ounces baby bella mushrooms, thinly sliced
• 1 small white onion, thinly sliced
• 3 cloves garlic, minced
• 1 pound uncooked pasta (I recommend a shape that lists a 7-8 minute cooking time*)
• 4 cups water
• 1 1/2 cups half and half
• 1 teaspoon Dijon mustard
• 1/8 teaspoon crushed red pepper flakes
• fine sea salt and freshly-ground black pepper
• 12 ounces broccoli florets, cut into bite-sized pieces (about 1 large head of broccoli)
• 2 cups (8 ounces) freshly-shredded sharp cheddar cheese
• 1/2 cup (1 ounce) freshly-grated Parmesan cheese