Broccoli and Cauliflower Au Gratin

1. Lightly steam the broccoli and cauliflower.
2. Meanwhile, melt butter in a medium saucepan. Add flour to make a roux and cook for 1-2 minutes to cook away the flour taste.
3. Slowly add the milk to the roux. Cook for several minutes until the mixture has thickened. Stir in salt and pepper.
4. Add the cheese and stir until melted.
5. Mix the broccoli, cauliflower and cheese sauce then place in a 13×9 pan. For the topping, combine the panko and shredded cheddar then sprinkle over the broccoli mixture. Bake at 350ºF for 20-30 minutes.