Pre-heat the oven to 350 degrees.
Start your sweet potatoes first. Get the water boiling, while you peel and dice. Then boil for 6 minutes until just about cooked.
Meanwhile, in a skillet, over medium high heat, add oil. Once shimmering add onion. Saute until translucent.
Add in bell pepper, saute until soft.
Then add black beans, cooked sweet potatoes and spinach.
Once the spinach has wilted, add taco seasoning packet. Pour all veggies onto a bowl or plate and set aside.
Using the same skillet, turn off the heat and pour 1/3 can of the enchilada sauce on the bottom of the skillet. Then layer evenly with tortillas, cut them smaller if you need them to fit.
Add half of veggie mixture, then pour 2/3 can of enchilada sauce over the top. Sprinkle on a handful of cheese, then another even layer of tortilla.
Pour remaining half of veggies on top, 1/2 can of enchilada sauce and another handful of cheese. Then top with the last even layer of tortillas.
Use up the last of the enchilada sauce and sprinkle remaining cheese over the top. Transfer to the oven to get nice and bubbly, 10-15 minutes.
After the enchiladas are bubbling, remove from the oven to cool for 10 minutes. Serve with all the garnishes and enjoy!