Brussels Sprouts-Squash Casserole

Ingredients

• 1 lb Brussels sprout
• 1 1/2 cups winter squash, cubed (I use butternut)
• 1 onion, minced
• 1 cup chopped celery
• 1/4 cup butter
• 1/4 cup whole wheat flour
• 2 cups milk
• 1/2 teaspoon salt
• 1/4 teaspoon marjoram
• 1 dash pepper
• 1 dash nutmeg