Sweet Potato & Caramelized Onion Frittata

My son hates sweet potatoes. Seriously, each year he eats one bite of my sweet potato casserole and shakes his head. He took a bite of this and swallowed it. With wonder in his voice, he asked if these were sweet potatoes (well, yams). When I nodded, he raised his eyebrows. Then, he polished off his piece and went back for seconds. Me? I quickly wrote down the recipe so I could share it with you, and make it again.

After serving this to my son who isn't a fan of sweet potatoes. He took a bite and swallowed. With wonder in his voice, he asked if these were sweet potatoes (well, yams). When I nodded, he raised his eyebrows. Then, he polished off his piece and went back for seconds.