broccoli cheese soup recipe

Ingredients 4 tablespoons butter 1 small onion, chopped 2 cloves garlic, minced 1/4 cup all-purpose flour 2 cups chicken or vegetable broth 2 cups half-and-half or milk 4 cups broccoli florets, chopped 2 cups shredded sharp cheddar cheese Salt and pepper to taste Optional: a pinch of nutmeg for extra flavor