In colander over bowl, place grated sweet potato and sprinkle with 1/2 tsp salt. Allow to stand for 15 minutes. With clean hands, squeeze sweet potato in handfuls to release water. Repeat 2 or 3 times until no water runs out. Discard water and place sweet potato in clean, dry bowl and combine with almond flour, paprika, garlic powder, black pepper, hemp hearts, Parmesan, and 2 Tbsp olive oil. Make a well in center of the mixture, crack egg into well, and mix with a fork until thoroughly combined.