One Skillet Butternut Squash Gnocchi with Italian Sausage

Bahan-bahan (6 porsi)

• 5 tablespoons unsalted butter (divided)
• 1 pound ground sweet Italian turkey sausage (removed from casings if needed)
• 1 small butternut squash
• 1 small yellow onion (diced, about 1 cup)
• 3 cloves garlic (minced)
• 1/2 teaspoon kosher salt (plus additional to taste)
• 1/4 teaspoon ground black pepper
• 1 teaspoon rubbed sage (or 1 tablespoon chopped fresh sage)
• 1/4 teaspoon ground nutmeg
• 1 1/2 to 2 cups low-sodium chicken broth
• 1 pound potato gnocchi*
• 5 cups loosely packed baby spinach (about 5 ounces or 5 generous handfuls)
• 1/4 cup freshly grated Parmesan (optional—we loved it both with and without)
• Pinch red pepper flakes (optional)