Parmesan-Sage Black Bean Soup

Ingredients (12)

• ✓ 2 teaspoons vegetable oil, or as needed
• + 1 small onion, chopped add to pantry
• + 1 large clove garlic, minced add to pantry
• + 2 (15.5 ounce) cans black beans, rinsed and drained add to pantry
• ✓ 1 cup chicken stock
• + 5 fresh sage leaves add to pantry
• + water to cover add to pantry
• + ¼ cup freshly grated Parmesan cheese add to pantry
• + 2 tablespoons butter, softened add to pantry
• + ¼ cup half-and-half add to pantry
• ✓ ¼ cup chopped green onion, or to taste
• + 2 tablespoons grated Parmesan cheese, or to taste add to pantry