Name: Fennel Gratin
Prep time: 15 min
Cook time: 60 min
Yield: 4
Cuisine: American
Ingredients: 1/2 tablespoon butter; 2 heads fennel, thinly sliced; 1 cup coarsely grated Parmesan; 1 clove garlic, minced; Salt; 1 tablespoon mustard; 2 cups double cream