Preheat oven to 375 degrees F, line 9×13 baking dish with unbleached parchment paper, spray w/cooking spray.Grate sweet potatoes. - If you can shred the skins instead of peeling even better! Great nutrients!Grate some hard sharp cheese like Cheddar, Gruyere or Swiss.Add eggs, taco seasoning, garlic powder, salt & pepper into large mixing bowl. Whisk for 30 seconds.Add milk, â…” cup cheese, green onions, cilantro and jalapenos. Whisk to combine. (use remaining cheese to melt on top.)Add sweet potatoes and spinach. Stir well to mix. It may appear to need more egg but DO NOT ADD MORE! It will be a thick mixture.Sprinkle with remaining â…“ cup cheese and bake for a few more minutes until cheese has melted.Remove from oven and let cool 10 minutes.Cut into 12 squares. Serve warm or cold.*make ahead the night before and cover with plastic wrap, refrigerate overnight.