Pumpkin Mac and Cheese

Ingredients (16)

• 4 ounces bacon
• 3 teaspoons  extra-virgin olive oil
• 2 cups yellow onion
• 1 can pumpkin puree (not pumpkin pie filling)
• 1 1/2 cups nonfat milk
• 1 cup low-sodium canned chicken stock
• 1 teaspoon dry mustard
• 3/4 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 1/8 teaspoon ground nutmeg
• 1/8 teaspoon cayenne pepper
• 13 ounces whole wheat elbow macaroni
• 4 ounces extra-sharp cheddar cheese,
• 1/3 cup 2% plain Greek yogurt
• 1 ounce Parmesan cheese,
• 1/4 cup panko breadcrumbs