This healthy Cauliflower and Broccoli Casserole needs just 6 ingredients and is packed full of flavor.This healthy side dish is great for dinner, I like to serve it with roasted chicken, but it's great alongside steak, for chops, and even tofu steaks. Special Tip: If you don't like mustard, see above. I have supplied you with more flavors in the "ingredients"section.
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