4 tablespoons (1/2 stick) butter
1 tablespoon extra virgin olive oil
1 cup finely diced onion
1/2 cup finely diced celery
2 garlic cloves, minced
1/4 cup all-purpose flour
1 quart half-and-half
2 (14-ounce) cans chicken broth (if you enjoy a thicker soup, use 1 can)
Salt
1/2 teaspoon dried thyme
1/2 teaspoon dried parsley flakes
1/4 teaspoon ground nutmeg (optional)
1 cup finely shredded carrots
1 cup coarsely chopped fresh spinach leaves
1 cup diced cooked chicken breast (you can use a rotisserie chicken)
1 (16-ounce/500g) package ready-to-use gnocchi