Sweet Potato Flatbread | Gluten-free

Finding a gluten-free flatbread that's sandwich-friendly has been a challenge for me. So I am sharing this recipe in hopes you find it just as tasty!
2 small sweet potatoes--mashed
1/3 c. grated mozzarella cheese
1 egg
1/4 tsp. salt
1/2 tsp. Everything Bagel seasoning (or your preferred seasoning)