One-Pan Creamy Spinach-Artichoke Gnocchi

Ingredients

• extra-virgin olive oil
• unsalted butter
• small yellow onion, chopped
• garlic, finely chopped
• kosher salt
• crushed red pepper flakes
• potato gnocchi
• baby spinach
• drained capers
• c. low-sodium chicken stock and/or vegetable stock
• c. dry white wine
• jar marinated, quartered artichoke hearts, drained
• c. heavy cream
• c. chopped fresh basil, plus more for serving
• c. finely grated Parmesan
• Fontina, Asiago, or Provolone, shredded