Sweet potato and broccoli frittata

It’s vegee night! We like to have vegetarian nights a couple nights a week. And this dish is quick and simple. Pre-heat the oven at 200 C or 400 F, and heat an oven-proof pan on the stove with medium heat. 1 medium sweet potato, diced2 heads broccoli, small pieces1 medium onion, finely diced3 cloves…