Four-Cheese Pasta with Cauliflower

INGREDIENTS

• 1/4 teaspoon garlic powder
• 2 tablespoons light cream cheese
• Dash of cayenne pepper (optional)
• 1/4 teaspoon salt
• 1/4 teaspoon freshly ground black pepper
• 1 1/2 tablespoons whole-wheat flour
• 1 1/4 cups skim milk
• 4 cups cooked whole-wheat spiral pasta
• 2 cups chopped cauliflower (about 1/2 a medium head), steamed
• 3/4 cup shredded cheddar
• 1/2 cup shredded Monterey Jack cheese
• 1/4 cup shredded Parmesan
• 1/2 teaspoon Dijon mustard